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What is a linear loading rate for a septic system?
Basically linear loading rate refers to the ability of the soil to accept wastewater and not become anerobic. It was determined that drainfield beds of widths over 5 or 6 feet had dead zones in the center where oxygen was not available to the aerobic soil bacteria below the drainfield to treat the wastewater. The result was that the center of these wide beds easily ponded and failed. Therefore a calculation had to be made to figure out what the proper size of a drainfield should be to maintain an oxygen supply in the soil for different soil textures and structures. The linear loading rate is measured in gallons of effluent per feet of drainfield (not square feet, but feet). An example would be a moderately structured silt loam soil having a linear loading rate of 3 feet. If serving a 3 bedroom residence that produces 150 gallons per day per bedroom then there is 450 gallons per day to treat in the soil. 450 gallons per day divided by the linear loading rate (3') says that you need a minimum 150 feet of drainfield length. Thìs can be in one long drainfield or multiple cells of equal length. The other consideration is soil loading rate to determine the width of the drainfield. The above soil example might have a soil loading rate of 0.6 gallons per day per square foot. Therefore the final size must be a minimum of 750 square feet. Using the length that was arrived using the linear loading rate (150'), 750 divided by 150' equals 5 feet wide. Therefore the sizing of the drainfield would be 5' wide by 150' long (but probably 3 cells each 3' by 50' with spacing in between of perhaps 3' or more) and be expected to provide sufficient oxygen to the bottom of the entire drainfield.
How locus depends on the soil?
The locus of a point in soil mechanics refers to the path of the center of an element of soil as it is subject to deformation. The type of soil will influence the behavior of the locus, as different soils have distinct properties that affect how they deform and strain under loading conditions. Factors such as soil composition, density, moisture content, and particle size distribution all influence the locus of points in soil.
How can pressure bulb of a foundation influence depth of soil investigation?
The pressure bulb of a foundation can influence the depth of soil investigation by affecting the stress distribution in the soil layers. A larger pressure bulb may result in increased stress in deeper soil layers, impacting their behavior and properties. This, in turn, may require deeper soil investigation to properly understand the soil's response to loading from the foundation.
What is preconsolidation stress in soil?
Preconsolidation stress in soil refers to the maximum stress a soil has experienced in the past, which caused it to be compacted or consolidated. This stress is a key parameter in understanding the behavior of soil under new loading conditions, and can help predict the potential for further settlement or deformation.
Define terminology of soil dynamics?
Soil dynamics is the study of how soils deform and respond to applied forces such as earthquakes or dynamic loads. It includes the investigation of soil properties, such as stiffness and damping, and how these properties influence the behavior of structures built on or in the soil. Soil dynamics is important for assessing the stability and performance of structures under dynamic loading conditions.
Why is the indirect method preferred to the direct loading test?
The indirect method is preferred to the direct loading test because it allows for the measurement of the entire system response, including the behavior of the surrounding soil. This method provides a more accurate representation of real-world conditions and allows for more reliable predictions of soil behavior under load.
What is a linear loading rate for a septic system?
Basically linear loading rate refers to the ability of the soil to accept wastewater and not become anerobic. It was determined that drainfield beds of widths over 5 or 6 feet had dead zones in the center where oxygen was not available to the aerobic soil bacteria below the drainfield to treat the wastewater. The result was that the center of these wide beds easily ponded and failed. Therefore a calculation had to be made to figure out what the proper size of a drainfield should be to maintain an oxygen supply in the soil for different soil textures and structures. The linear loading rate is measured in gallons of effluent per feet of drainfield (not square feet, but feet). An example would be a moderately structured silt loam soil having a linear loading rate of 3 feet. If serving a 3 bedroom residence that produces 150 gallons per day per bedroom then there is 450 gallons per day to treat in the soil. 450 gallons per day divided by the linear loading rate (3') says that you need a minimum 150 feet of drainfield length. Thìs can be in one long drainfield or multiple cells of equal length. The other consideration is soil loading rate to determine the width of the drainfield. The above soil example might have a soil loading rate of 0.6 gallons per day per square foot. Therefore the final size must be a minimum of 750 square feet. Using the length that was arrived using the linear loading rate (150'), 750 divided by 150' equals 5 feet wide. Therefore the sizing of the drainfield would be 5' wide by 150' long (but probably 3 cells each 3' by 50' with spacing in between of perhaps 3' or more) and be expected to provide sufficient oxygen to the bottom of the entire drainfield.
How locus depends on the soil?
The locus of a point in soil mechanics refers to the path of the center of an element of soil as it is subject to deformation. The type of soil will influence the behavior of the locus, as different soils have distinct properties that affect how they deform and strain under loading conditions. Factors such as soil composition, density, moisture content, and particle size distribution all influence the locus of points in soil.
How can pressure bulb of a foundation influence depth of soil investigation?
The pressure bulb of a foundation can influence the depth of soil investigation by affecting the stress distribution in the soil layers. A larger pressure bulb may result in increased stress in deeper soil layers, impacting their behavior and properties. This, in turn, may require deeper soil investigation to properly understand the soil's response to loading from the foundation.
Why indirect method is preferred to direct loading test?
Indirect methods are preferred over direct loading tests because they are less invasive, faster, and less disruptive to the surrounding environment. They also provide a more cost-effective way to estimate soil properties and evaluate the load-bearing capacity of the soil without the need for extensive excavation or installation of test equipment.
What is preconsolidation stress in soil?
Preconsolidation stress in soil refers to the maximum stress a soil has experienced in the past, which caused it to be compacted or consolidated. This stress is a key parameter in understanding the behavior of soil under new loading conditions, and can help predict the potential for further settlement or deformation.
What is up-loading and down-loading using an ftp site?
popup loading
Is there a loading plan for loading a 53 foot trailer?
Depends on what you're loading.
Define terminology of soil dynamics?
Soil dynamics is the study of how soils deform and respond to applied forces such as earthquakes or dynamic loads. It includes the investigation of soil properties, such as stiffness and damping, and how these properties influence the behavior of structures built on or in the soil. Soil dynamics is important for assessing the stability and performance of structures under dynamic loading conditions.
What is dynamic loading?
loading which cause movement of the object or structure is called dynamic loading
What is overconsolidated clay soil?
Overconsolidated clay soil is a type of soil that has experienced higher levels of stress in the past, causing it to be compacted and have reduced water content. This makes it more difficult to deform further under new loading conditions compared to normally consolidated soil.
What are the advantages of carbohydrates loading?
carbohydrate loading is good.
