Computing method for pressure of cement soil mixed material replacement cushion

A technology of mixed materials and calculation methods, applied in calculation, soil protection, instruments, etc., can solve the problems of great influence on improving bearing capacity, cracking, and uncontrolled slaked lime slaked degree, so as to save project cost and control Building deformation, effects of high compressive modulus

Inactive Publication Date: 2017-08-04
化建新 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The lime-soil cushion has good waterproof performance, but its ability to increase the bearing capacity is greatly affected by the proportion of slaked lime mixed in, and the proportion o

Method used

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  • Computing method for pressure of cement soil mixed material replacement cushion
  • Computing method for pressure of cement soil mixed material replacement cushion
  • Computing method for pressure of cement soil mixed material replacement cushion

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] Such as figure 1 As shown: the present invention includes a cushion layer 1, a first pressure cell 2 and a second pressure cell 4, the first pressure cell 2 and the second pressure cell 4 are respectively arranged at both ends of the cushion layer 1, and the cushion layer 1 is located at the first pressure A number of first detection heads 3 are arranged below the box 2, and several first detection heads 3 form two groups, which are connected in parallel to the first pressure cell 2, and each group includes a plurality of first detection heads 3, and each first detection head The heads 3 are sequentially connected in series, and the cushion layer 1 is located below the second pressure cell 4 to be provided with several second detection heads 5, and several second detection heads 5 form two groups, which are connected in parallel to the second pressure cell 4, and eac...

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Abstract

The invention discloses a computing method for pressure of a cement soil mixed material replacement cushion. The method comprises a cushion layer, a first pressure box, and a second pressure box. The first pressure box and the second pressure box are respectively arranged on two ends of the cushion layer. Compared with lime soil whose mechanical characteristic is similar to a cement soil mixed material, the cement soil mixed material has relatively higher foundation capability. At present, in practical engineering, a standard value of maximum foundation soil bearing capacity of 1:9 cement soil is 230 kPa, and the bearing capacity is amount to 3:7 lime soil level. The cement soil mixed material has good stress diffusion ability, and the stress diffusion ability is little influenced by replacement thickness, and the cement soil mixed material has relatively low requirement on substratum foundation soil bearing capacity.

Description

technical field [0001] The invention relates to the technical field of calculation methods, in particular to a calculation method for cushion layer replacement pressure with cement-soil mixture materials. Background technique [0002] According to the existing construction industry standard "Technical Specifications for Construction Foundation Treatment" (JGJ79-2012): the replacement cushion can be divided into soil, stone cushion and geosynthetic reinforced cushion according to the replacement material; the cushion material can be Sand and gravel, lime soil, fly ash, slag, other industrial waste and geosynthetic materials are used to reinforce the cushion. [0003] The sand and gravel cushion has a good ability to improve the bearing capacity of the foundation, and the main material of the sand and gravel cushion comes from sand excavation, mountain digging, etc., which seriously damages the environment, is greatly affected by relevant policies, and has obvious regional cha...

Claims

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Application Information

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IPC IPC(8): G06F17/50E02D3/00
CPCE02D3/00G06F30/13
Inventor 化建新赵杰伟张丹法立滕夏清彭广军王健孔令剑张浩李扬
Owner 化建新
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