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Anonymous users2024-02-06Conducted during engineering geological surveys for the construction of important buildings or large engineering buildings, or for the verification of the results obtained by other test methods.
Field tests to study the compressive properties of foundation soil under the condition of allowable lateral expansion. Generally, there are two forms: shallow pit and drilling. The test method is to put a load plate in a shallow pit or borehole, apply pressure in stages on it, and measure the final settlement value of the pressure at all levels until the soil is destroyed.
Through the test, the load curve is drawn according to the pressure and its corresponding settlement, and the deformation modulus of the soil is calculated according to a certain formula. The relationship curve between the amount of compressive stress settlement and time at all levels is drawn to evaluate the continuity of soil deformation over time, and the bearing capacity of the foundation can be estimated when the load plate is close to the actual foundation. The compressive properties of the foundation soil can be measured more accurately.
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Anonymous users2024-02-05jgj106-203
Basic provisions. The engineering pile should be sampled for the bearing capacity of the single pile and the integrity of the pile.
When the design has requirements or meets one of the following conditions, the static load test should be used to determine the characteristic value of the vertical compressive bearing capacity of the single pile before construction.
1.The design grade is a pile foundation of grade A and grade B.
2.The geological conditions are complex, and the reliability of pile construction quality is low.
3.New pile types or processes used in the region.
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Anonymous users2024-02-04It should be determined according to the requirements of structural form and structural design for the bearing capacity of the foundation.
The soil quality of the natural soil layer is too weak or the geological conditions are poor, and the foundation can only be built after artificial reinforcement or treatment. And under the condition of poor geological conditions, such as slope, sand or silt geology, or although the soil texture is good, but the upper load is too large, in order to make the foundation have sufficient bearing capacity, it is necessary to use artificial reinforcement foundation.
When the geological condition of the soil layer is better, and the bearing capacity is stronger, the natural foundation can be adopted; And under the condition of poor geological conditions, such as slope, sand or silt geology, or although the soil texture is good, but the upper load is too large, in order to make the foundation have sufficient bearing capacity, it is necessary to adopt artificial reinforcement foundation.
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Anonymous users2024-02-03It should be determined according to the requirements of structural form and structural design for the bearing capacity of the foundation. However, the bearing capacity of the foundation must be tested. It's just that the method of detection is different. When the bearing capacity is high, the static load test is generally done.
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Anonymous users2024-02-02Look at the geology. There are design requirements to do. If the ground inspection tank can meet the requirements, it will not be done.
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Anonymous users2024-02-01After the natural foundation is paved with sand and compacted, the static load test is done.
There is no minimum height for pumping concrete, the highest limit is generally about 200m, and the highest stone I know is 380m. As for whether the foundation is pumped or not, it depends on whether your mixing station and other equipment are installed. At present, the high-rise buildings are generally pumped, and the commercial mix is also pumped. Hehe.
The effects of blanching are as follows. 1. It can make the color of vegetables more vivid, the texture more crisp and tender, reduce the astringency, bitterness and spiciness, and also sterilize and disinfect. For example, spinach, celery, and rape become more bright green by blanching. >>>More
The selection of cemeteries in rural areas is needed, but the cities are basically not needed.
What do you call it in Chinese? ”
what(h)wɔt] >>>More
According to the examination you give, it is not recommended that you do it, but I don't know what the patient's status is, whether there are other diseases, and smoking, in general, only if it is determined that it is a real coronary heart disease "angina", and the stenosis reaches more than 70%, and according to the distribution, scope, degree of narrowing of the blood vessels, the number of lesions, the location and the formation of collateral circulation, whether a stent or surgery is needed. In your case, it is recommended to review it regularly, oral medication**, after all, any kind of surgery is risky, and the sequelae of complications are objective, if you can accept the operation, your family agrees, you can also do it, but the cost of surgery is high.