2024 A soil profile consists of

A soil profile consists of 20 ft of incompressible sand (Ysat - 112.4 pcf, yd - 80 pcf) overlying 10 ft of compressible clay (Cc 0.5, Cr Cs 0.05, Ysat92.4 pcf) with the water table initially at a depth of 10 ft, as shown below. If the clay has a maximum previous consolidation stress of 1700 psf, and an average initial void ratio, eo, of 1.1 ...A soil profile consists of 10-m thick fine sand of effective size 0.15 mm and above a very thick layer of clay. Groundwater level is at 3m below the ground surface. (a) determine the height of capillary rise, assuming that the equivalent capillary tube diameter is 10% of the effective size and the sand surface is similar to smooth glass.8 Eyl 2014 ... A: The A horizon is a surface horizon that largely consists of minerals (sand, silt, and clay) and with appreciable amounts of organic matter ...Expert Answer. 2. (CO #1,3) A canal is dug parallel to a river, as illustrated in figure 1. The soil profile consists of silty sand surrounded by an impermeable high plasticity clay. The average thickness of the sand layer is dav = 0.5 m, and it has a width of W = 30 m. The elevations of the entrance, exit points, canal, and river water table ...A soil profile consists of the following horizons: Oa, Ap, E, EB, BE, B, Bt1, Bt2, CB, and C. How many master horizons does this soil profile contain? a. three b. four c. five d. none of the above. A soil profile consists of the following horizons: Oa, Ap, BE, EB, B, Bt1, Bt2, C, and CB. How many transitional horizons does this soil profile ... The “soil profile” consists of horizons, and there exist important interrelationships among the horizons, as they are inter-dependent and necessary for the entire profile to fulfill its function as a rooting medium, both in nature and in the designed landscape project (Craul and Craul 2006). The ideal soil has about 45 percentNearly every soil profile consists of several horizons differing in color. The complete color description must be presented for every soil horizon examined and described in the field (Soil Survey Staff, 1960, 1951). Determination of Soil Color. Soil colors are most conveniently measured by comparison with a color chart (Soil Survey Staff, 1960).LinkedIn is a professional social network site that allows users to connect with potential employers. Some employers even add job postings to their own profiles, inviting other LinkedIn users to apply.Soil Composition. Soil consists of organic matter (about 5%), inorganic mineral matter (40-45% of soil volume), water (about 25%) and air (about 25%) (Figure 6.6.3 6.6. 3 ). The amount of each of the four major components of soil depends on the amount of vegetation, soil compaction, and water present in the soil.PROBLEM 2 The soil profile shown in the figure consist of a 9m layer of sand underlain by 6m layer of clay. The location of water table is 3m from the ground level. The building to be constructed will cause an additional pressure of 50 kPa on the ground. What is the primary settlement of the clay layer if: 1. Clay is normally consolidated 2.A soil profile consists of a clay layer and two sand layers; the clay layer is “sandwiched” between two sand layers as shown below. A surcharge of q = 100 kN/m 2 is applied to the ground surface, which causes an increase of total stress (Δσ) of approximately 100 kN/m 2 in the clay layer from top to bottom. This loading in the clay layer, in turn, causes a …Aug 1, 2023 · Soil profile refers to the different layers, or horizons, of soil. The first is made up of decomposed matter, such as leaf litter. The topsoil horizon also contains organic materials and is dark brown to black. This layer is great for plants. Leaching matter makes up the third horizon of the soil profile, which consists mainly of sand, silt ... Situation 27: A soil profile consists of dry sand and clay being the latter as the bottom layer. The ground water table is initially located at the interface of the two soils. The sand has e = 0.65, G = 2.66 and H = 3 m while the clay has e = 0.90, G = 2.75, H = 11 m, LI = 42.4% and PL = 20%. 79. Determine the compression index. When it comes to kitchen appliances, the microwave is one of the most essential. It’s a great way to quickly heat up food, and it can be a real time saver. But if you’re looking for something more than just a regular microwave, then you mig...The general Soil Profile consists of: 1. O horizon: organic matter 2. A horizon: top soil, intense biological activity 3. B horizon: subsoil, zone of accumulation 4. C horizon: little organic matter, partially altered parent rock O and A together called topsoil . O, A, E, and B together called solum, or "true soil" . Soil Erosion:Soil Profile is a profile that consists of all the secrets of soil. It is described as the vertical segment of soil that is surfaced by the soil pit. It is a section of different …Question. Transcribed Image Text: Problem 7: The soil profile at the site consists of 5.0 m of silty sand underlain by 13 m of clay. The groundwater table is at a depth of 2.8 m below the ground surface. The silty sand has a unit weight of 19 kN/m3 above the groundwater table and 20 kN/m³ below. The clay has a unit weight of 15.7 kN/m³.A soil profile consists of a surface layer of sand 3.5 m thick (rho = 1.65 t / m3), an intermediate layer of clay 3 m thick (rho = 1.95 t / m^3). and the bottom layer of gravel …A soil profile consists of ________. Select one: A. the way a soil "feels" B. the set of layers seen in a vertical cross section of a soil C. the sum of chemical and physical data …What is the uppermost layer of soil consisting of an organic layer made up of partially decayed plant and animal debris? A. B. O. R. Multiple Choice. Please ...Question: Question 15 A soil profile consists of : A. the sum of chemical and physical data known about a soil B. the way a soil "feels" OC. the spatial boundaries of a particular soil D. the set of layers seen in a vertical cross section of a soil E the general outline of a soil or group of soils when viewed from the side. Show transcribed ...1. QUESTION. : The soil profile consists of 5m sand underlain by 13m layer of clay. The ground. water table is at depth of 2.8m below the surface. The sand has a unit weight of 19. kN/m3 above the ground water table and the saturated unit weight below was 20 kN/m3. The saturated unit weight of clay is 15.7 kN/m3.Situation 27: A soil profile consists of dry sand and clay being the latter as the bottom layer. The ground water table is initially located at the interface of the two soils. The sand has e = 0.65, G = 2.66 and H = 3 m while the clay has e = 0.90, G = 2.75, H = 11 m, LI = 42.4% and PL = 20%. 79. Determine the compression index.The main types of profiling are psychological profiling, victimology and criminal profiling. All types of profiling involve using specific clues about a crime and using those clues to narrow the range of suspects.It is a compacted and cemented layer. Different types of rocks such as granite, basalt and limestone are found here. Explore more about: Preparation of Soil for Agriculture. Apart from the rocks, minerals, and layers, soil profile also consists of a water content, which is referred to as soil moisture. A typical soil profile takes nearly 1,000 to 100,000 years to form. A soil profile comprises 5 major soil horizons (i.e., layers). They are the O, A, B, C and R horizons. Figure 1: A typical soil profile O Horizon: (1st layer) This is the top layer of soil. It is made of fresh to partially decomposed organic matter. See Answer. Question: Problem 6 (20 points): A soil profile consists of a clay layer and two sand layers, the clay layer is "sandwiched" between two sand layers as shown below. A surcharge of q = 100 kN/m2 is applied to the ground surface, which causes an increase of tota stress (Ac) of approximately 100 kN/m2 in the clay layer from top to bottom.A soil profile consists of 6 m of coarse sand overlying 12 m of firm clay. Below the clay there is a 9m thick gravel layer. The sand is estimated to have an average dry density of 1.65 Mg/m3 over its full thickness. The clay has a dry density of 1.40 Mg/m3, and to be saturated below the water table an average saturated density of 1.85 Mg/m3 ...A soil profile consists of 12 m of sand over 8 m of clay over rock as shown in the attached figure. The water table is at 9.0 below the ground surface. For sand, Gs = 2.72, e = 0.65, and water content above the water table is 15%. For clay, G3 = 2.65, e = 0.70. What is the total vertical stress at 20 m below the ground surface?The color of the soil horizons helps identify the different layers when analyzing the soil profile. ... but it is not actually a component of the soil and consists mainly of rock. The 7 Soil Horizons. Source: Flicker under creative commons. There are 7 soil horizons in total. These include horizon Oi, Oa, A, E, B, C, and R.Bulk density —is the density of a volume of soil as it exists naturally, it includes air space, organic matter, and soil solids. Natural root growth is restricted as BD becomes greater than 1.5 g cm −3 in fine-textured (clay and silt) soil and at 1.7 g cm −3 in course-textured soil (sandy) ( Lyle, 1987 ).When it comes to choosing a microwave for your home, there are many options available. One of the most popular choices is the low profile over range microwave. These microwaves are designed to fit in tight spaces, making them ideal for smal...5.1. SOIL PROFILES IN ENGINEERING. 5.1.1. Occurrence. A soil profile designates near-surface soil layers that have been modified by processes associated with ...Question: c) A soil profile consists of a deep deposit of homogeneous clay (bulk density = 1.94 Mg/m?) which extends from ground surface a depth of 12 m. The ground water table lies at a depth of 1.5 m beneath the surface of the soil. The density of the soil is constant throughout the profile. It has been estimated that prior to the current ...3P. Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25. Calculate the values of σ, μ, and σ’ at points A, B, C, and D for the following cases. In each case, plot the variations of σ, μ, and σ with depth. Characteristics of layers 1, 2, and 3 for each case are given below:Dig down deep into any soil, and you’ll see that it is made of layers, or horizons (O, A, E, B, C, R). Put the horizons together, and they form a soil profile. Like a biography, each profile tells a story about the life of a soil. Most soils have three major horizons (A, B, C) and some have an organic horizon (O). The horizons are:When it comes to kitchen appliances, the microwave is one of the most essential. It’s a great way to quickly heat up food, and it can be a real time saver. But if you’re looking for something more than just a regular microwave, then you mig...Mar 21, 2023 · The soil profile consists of four distinct soil layers, which are also referred to as horizons. These horizons, from top to bottom, are the O horizon, A horizon, B horizon, and C horizon. Each horizon has unique characteristics and composition, which play a crucial role in determining the soil's fertility and suitability for various purposes ... Creating a profile on the Classmates official site is a great way to reconnect with old friends and classmates. It’s easy to do, and it only takes a few minutes. Here are the steps you need to take to create your profile.This is the top horizon of a soil profile, a thin layer of predominantly organic material, such as leaves, twigs, and other plant parts, that are actively decaying into humus. O Horizon This horizon in a soil profile consists of unweathered, parent bedrock and fragments. DESCRIBE AND COMPARE TYPICAL SOIL PROFILES AND BASIC SOIL TYPES. Open Educational Resources; Contributors and AttributionsNearly every soil profile consists of several horizons differing in color. The complete color description must be presented for every soil horizon examined and described in the field (Soil Survey Staff, 1960, 1951). Determination of Soil Color. Soil colors are most conveniently measured by comparison with a color chart (Soil Survey Staff, 1960).A soil profile consists of the following horizons: Oa, Ap, BE, EB, B, Bt1, Bt2, C, and CB. How many transitional horizons does this soil profile contain? a. three b. four c. five d. none of the above. Fine sediments from the Sahara desert are transported by wind thousands of miles and deposited in far places like the Amazon basin in South America.When it comes to choosing a microwave for your home, there are many options available. One of the most popular choices is the low profile over range microwave. These microwaves are designed to fit in tight spaces, making them ideal for smal...Which portion of the soil profile consists of incompletely weathered parent material and marks the boundary between the developing soil and the underlying unweathered rock or sediment.SOIL PROFILE. Mature soils are layered. These layers are known as soil horizons, and each has a distinct texture and composition. A typical soil has a soil profile consisting of four horizons, which are designated: O, A, B and C. The O horizon is the top layer at the earth's surface. It consists of surface litter, such as fallen leaves (duff ...The 7 Soil Horizons. There are 7 soil horizons in total. These include horizon Oi, Oa, A, E, B, C, and R. As you may have noticed, horizon O is split into two types – Oi and Oa. We will discuss both, but it is important to recognize that they are much different in their composition and their effect on soil type.The soil profile shown consists of a layer of dry sand 4 m. thick which overlies a layer of clay having a thickness of 6 m. Ground water table is located at the interface of the sand and clay. If the water table rises by 2 m, determine the effective stress at the bottom of the clay layer.A typical soil profile takes nearly 1,000 to 100,000 years to form. A soil profile comprises 5 major soil horizons (i.e., layers). They are the O, A, B, C and R horizons. Figure 1: A typical soil profile O Horizon: (1st layer) This is the top layer of soil. It is made of fresh to partially decomposed organic matter.Soil - Nutrients, pH, Minerals: The bulk of soil consists of mineral particles that are composed of arrays of silicate ions (SiO44−) combined with various positively charged metal ions. It is the number and type of the metal ions present that determine the particular mineral. The most common mineral found in Earth’s crust is feldspar, an aluminosilicate that contains sodium, …The general layers of soil beneath the ground in a particular region are referred to as that region's soil profile. A soil profile consists of many layers of sediments beneath a top layer of soil ...The soil profile consists of a litter layer and a thin mantle of colluvium overlying residuum derived from metasedimentary rock such as quartzite, metagraywacke and metasandstone. The acidic nature of the parent rocks contributes to the low levels of exchangeable Ca, Mg and K present in the soil and its classification in the Dystr- great group. ...The soil profile at the site consists of a 5.0 m sand layer underlain by 13 m of clay layer. The groundwater table is at a depth of 2.8 m below the ground surface. The sand has a unit weight of 19 kN/m3 above the groundwater table and 20 kN/m³ below the ground water table.Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil consists of a solid phase of minerals ...Jan 26, 2023 · The topmost, organic layer of the earth rich in minerals and microorganisms that covers the entire land and is visible to us is known as soil. All living creatures including plants, animals as well as microorganisms grow and dwell on this layer of the earth’s crust. This soil is composed of around 45% 45 % minerals, 5% 5 % organic matter, 25% ... Soil contains air, water, and minerals as well as plant and animal matter, both living and dead. These soil components fall into two categories. In the first category are biotic factors—all the living and once-living things in soil, such as plants and insects. The second category consists of abiotic factors, which include all nonliving things ...Expert Answer. A soil profile consists of 12 m of sand over 8 m of clay over rock as shown in the attached figure. The water table is at 9.0 below the ground surface. For sand, G, -265,- 0.58, and water content above the water table is 20%. For clay, G-2.70, -0.54.A typical soil profile takes nearly 1,000 to 100,000 years to form. A soil profile comprises 5 major soil horizons (i.e., layers). They are the O, A, B, C and R horizons. Figure 1: A typical soil profile O Horizon: (1st layer) This is the top layer of soil. It is made of fresh to partially decomposed organic matter.Transcribed Image Text: 7.17 A soil profile consists of a clay layer underlain by a sand layer, as shown in Figure P7.17 If a tube is inserted into the bottom sand layer and the water level rises to 1 m above the ground surface, determine the vertical effec- tive stresses and porewater pressures at A, B, and C.The soil profile is a vertical slice across the different strata of the soil. There are three horizontal layers of soil. They consist of topsoil, subsoil, and bedrock. The soil profile is where the soil and surrounding landscape's secrets are concealed. A soil pit exposes a vertical slice of the soil, which is referred to as the soil profile.The soil profile shown consists of a layer of dry sand 4 m. thick which overlies a layer of clay having a thickness of 3 m. Ground water table is located at the interface of the sand and clay 4 m. below the ground surface. 1. Compute the effective stress at the bottom of the clay layer. 2.These different layers are called soil horizons. A soil profile is a vertical slice of the soil that shows the different layers. Each layer is different both physically and chemically. Each horizon is named and defined. O Horizon – consists of the organic matter such as fallen leaves or decomposed plants at the very top of the soil profile. PROBLEM 2 The soil profile shown in the figure consist of a 9m layer of sand underlain by 6m layer of clay. The location of water table is 3m from the ground level. The building to be constructed will cause an additional pressure of 50 kPa on the ground. What is the primary settlement of the clay layer if: 1. Clay is normally consolidated 2. Question. A layer of soil profile consists of 3.6m upper layer of sand having a saturated unit weight of 18.88 kN/m3 and a lower clay layer 16m deep waith saturated unit weight of 17.31kN/m3. The clayayer has a void ratio of 1.27. The sand layer has a liquidity index of 64.5% and moisture content of 40%. Plastic limit is 20%.Soil Horizons and Profiles. Soil develops over time and forms soil horizons. Soil horizons are different layers of soil with depth. The most weathering occurs in the top layer. This layer is most exposed to weather! It is where fresh water comes into contact with the soil. Each layer lower is weathered just a little bit less than the layer ...Q: A soil profile consists of a clay layer underlain by a sand layer, as shown in Figure. If a tube is… If a tube is… A: From the soil mass, the pore is present that will be made by air and water.The soil profile is the layers of soil found when we go deeper into the ground. There are three main layers of soil – top soil, subsoil and parent rock. Topsoil ( A – horizon): Top …The soil profile consists of a sand layer 2m thick, the top of which is the ground surface, overlying a 4m thick layer of clay. An impermeable boundary is located at the base of the clay layer. The water.was lowered 1m below ground surface by suitable dewatering method Coincident with application of the surface load. A soil profile consists of 5 m of compacted sandy clay followed by 6 m of medium dense sand. Below the sand is a layer of compressible silty clay 20m thick. The initial ground water table is located at the bottom of the first layer (at 5 m below the ground surface).A soil is simply a porous medium consisting of minerals, water, gases, organic matter, and microorganisms. 1. Mineral - The largest component of soil is the mineral portion, which makes up approximately 45% to 49% of the volume. 2. Water - Water is the second basic component of soil. Water can make up approximately 2% to 50% of the soil volume. 3.University of Alberta Dept. Civil & Environmental Engineering CIV E 489 Geotechnical Engineering Lab 1: Effective Stress 1. A soil profile consists of 5 m of sand overlying 4 m of clay overlying fractured bedrock. Groundwater level (GWL) is 2 m below the horizontal surface of the sand and a piezometer in the fracture rock rises to 2m below the surface of …2012). In WRB–SR, this soil is classified as a Gleyic Fluvisol. The soil formed in an un-uniform parental material (specific to soils formed in fluvial materials). As a result, the soil profile consists of two main sequences: 1) a sequence (0–60 cm) representing the actual soil (Salinic Aluviosol, with relict gleization) consisting ofBackground for Teachers. A normal soil profile consists of three layers: topsoil, subsoil, and bedrock. Topsoil is the top layer. It is generally looser than the lower layers. It is made up of the smallest grains of rocks and minerals. The topsoil layer is usually darker in color because it contains the most dead and decayed organisms. It is a compacted and cemented layer. Different types of rocks such as granite, basalt and limestone are found here. Explore more about: Preparation of Soil for Agriculture. Apart from the rocks, minerals, and layers, soil profile also consists of a water content, which is referred to as soil moisture. Expert Answer. Time left 2:58:46 Problem 6 (20 points): A soil profile consists of a clay layer and two sand layers; the clay layer is "sandwiche two sand layers as shown below. A surcharge of q = 120 kN/m? is applied to the ground surface, which causes an increase of total stress (Ac) of approximately 120 kN/m2 in the clay layer from top to ...Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil consists of a solid phase of minerals ...3P. Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25. Calculate the values of σ, μ, and σ’ at points A, B, C, and D for the following cases. In each case, plot the variations of σ, μ, and σ with depth. Characteristics of layers 1, 2, and 3 for each case are given below:The color of the soil horizons helps identify the different layers when analyzing the soil profile. ... but it is not actually a component of the soil and consists mainly of rock. The 7 Soil Horizons. Source: Flicker under creative commons. There are 7 soil horizons in total. These include horizon Oi, Oa, A, E, B, C, and R.ii. Determine soil texture following the flow chart on the last page of the field guide (p. 15, also see pp. 4-5, e.g. sandy loam). iii. Determine the soil color using the Munsell color chart (see p. 4, e.g. dark yellowish brown 10YR 3/4). iv. Estimate % coarse fragments in each soil horizon (p. 4-5, diagrams on p. 10) and apply A soil profile consists of 20 ft of incompressible sand (Ysat - 112.4 pcf, yd - 80 pcf) overlying 10 ft of compressible clay (Cc 0.5, Cr Cs 0.05, Ysat92.4 pcf) with the water table initially at a depth of 10 ft, as shown below. If the clay has a maximum previous consolidation stress of 1700 psf, and an average initial void ratio, eo, of 1.1 ...

See Answer. Question: Problem 6 (20 points): A soil profile consists of a clay layer and two sand layers, the clay layer is "sandwiched" between two sand layers as shown below. A surcharge of q = 100 kN/m2 is applied to the ground surface, which causes an increase of tota stress (Ac) of approximately 100 kN/m2 in the clay layer from top to bottom.. Sams east wichita

Step 2: When we consider all these layers or horizons together, they form a complete picture of the soil's structure. This complete picture is referred to as a soil profile. So, the …Aug 11, 2009 · Nearly every soil profile consists of several horizons differing in color. The complete color description must be presented for every soil horizon examined and described in the field (Soil Survey Staff, 1960, 1951). Determination of Soil Color. Soil colors are most conveniently measured by comparison with a color chart (Soil Survey Staff, 1960). Layers of Soil. The soil profile consists of the series of the horizon of soil which is layered on to one another. The horizons are represented by the letters O, A, E, C, B and R, also refer to the diagram displayed above. The O-Horizon. The uppermost layer of the topsoil is composed of organic materials like dried leaves, grasses, and other ...Civil Engineering questions and answers. Scenario A concrete roadway is to be built on top of a soil whose profile consists of three horizontal layers of soil, each 6ft thick. The depth to the groundwater table is approx. 10feet. The concrete slab and live loading of the roadway are anticipated to combine to weigh approx. 1540 psf.Soil Profile. The soil is found in layers, which are arranged during the formation of soil. These layers called horizons, the sequence of layers is the soil profile. The layers of soil can easily be observed by their color and size of particles. The main layers of the soil are topsoil, subsoil and the parent rock. Leptosol soil profile soil , The biologically active, porous medium that has developed in the uppermost layer of the Earth's crust. Soil serves as a natural reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a participant in the cycling of carbon and other elements through the global ...A soil profile consists of a clay layer and two sand layers; the clay layer is “sandwiched” between two sand layers as shown below. A surcharge of q = 120 kN/m2 is applied to the ground surface, which causes an increase of total stress (Δσ) of approximately 120 kN/m2 in the clay layer from top to bottom.3. *A soil profile consists of 30 ft of sand underlain by 16 ft of clay. The saturated unit weight of the sand is 125 pcf and of the clay is 115 pcf. The soil profile is underwater, with 10 ft of water above the top of the sand. Calculate the total stress, porewater pressure and effective stress at mid-depth of the clay layer for the following.Leptosol soil profile soil , The biologically active, porous medium that has developed in the uppermost layer of the Earth's crust. Soil serves as a natural reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a participant in the cycling of carbon and other elements through the global ...an analytical solution is presented to the layered consolidation problem for a general set of boundary conditions and arbitrary load history. an example is provided in which the soil profile consists of four compressible layers. the layered system analyzed is a free draining clay stratum bounded by impedance layers.The soil profile consists of a layer of sand 25m thick overlaying a 4m thick layer of clay. The water table is 7m from the ground surface. The depth of the foundation is 3.5m. The value of m v for the clay is 0.35 m 2 /MN. Determine the final settlement under the center of the raft due to consolidation of the clay. State all assumptions.The general Soil Profile consists of: 1. O horizon: organic matter 2. A horizon: top soil, intense biological activity 3. B horizon: subsoil, zone of accumulation 4. C horizon: little organic matter, partially altered parent rock O and A together called topsoil . O, A, E, and B together called solum, or "true soil" . Soil Erosion:Transcribed Image Text: Scenario The concrete dam in the figure below is to be built on top of a soil whose profile consists of two horizontal layers of soil, each 5 ft thick. The depth to the groundwater table is approx. 6 feet. The dam is anticipated to weigh approx. 8200 psf, and will be 120 feet long (the dimension into and out of the page).Civil Engineering questions and answers. (1) A soil profile consists of 12 m of sand over 8 m of clay over rock as shown in the following figure. The water table is at 9.0 below the ground surface. For sand, the unit weights above and below the water table are 19kN/m3 and 20kN/m3 respectively. The saturated unit weight of clay is 21kN/m3.The soil profile consists of: Depth (ft) N60 Internal friction OCR angle, ' Soil Description Silty clay Stiff clay Silty sand Stiff sand Undrained shear strength, su (lb/ft?) 1200 1800 0-15 15 - 35 35-55 55 - 80 Unit weight, Y (1b/ft?) 115 112 115 124 24 43 35 36 2.01 2.54 The groundwater is at a depth of 50 ft. Based on LRFD method, design the ....

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