CN100572681C - A kind of processing method of steady hydraulic permeability concrete basal layer soil body - Google Patents
A kind of processing method of steady hydraulic permeability concrete basal layer soil body Download PDFInfo
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- CN100572681C CN100572681C CNB2008100495244A CN200810049524A CN100572681C CN 100572681 C CN100572681 C CN 100572681C CN B2008100495244 A CNB2008100495244 A CN B2008100495244A CN 200810049524 A CN200810049524 A CN 200810049524A CN 100572681 C CN100572681 C CN 100572681C
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Abstract
The invention discloses a kind of processing method of steady hydraulic permeability concrete basal layer soil body, this processing method is earlier the thick soil layer of soil matrix top 300～500mm that will handle the soil body to be carried out soil removal and replacement or compacting processing with clay, lay thick 1: 99 dirt of one deck 200～220mm then in the above, lay one deck 200g/m in the dirt
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled forms stabilized zone, shop one layer thickness is 200～220mm permeable concrete on stabilized zone at last.The stable soil body that adopts processing method of the present invention to form has been controlled the water yield that permeable concrete infiltrates effectively, is unlikely to lower floor's soil body is taken away, and causes basic unit's earth fall to fall into; And the stable soil body that forms can make lower floor's earth stress even, guarantees the stable of hydraulic permeability concrete basal layer soil body.
Description
One, technical field:
The present invention relates to the processing method of a kind of stabilized base soil body, particularly relate to a kind of processing method of steady hydraulic permeability concrete basal layer soil body.
Two, background technology:
At present, permeable concrete commonly used is a kind of porous light concrete that is formed by aggregate, cement and the water system of mixing, this concrete has ventilative, permeable and lightweight characteristics, can make rainwater permeate the ground rapidly, reduce underground water, make groundwater resources obtain in time replenishing, keep advantages such as soil moisture.This concrete is as carrying capacity of environment minimizing type concrete, and the Experimental Study on Pervious Concrete exploitation more and more comes into one's own.
But, when permeable concrete is used for expansive soil, silt or sandy soil soil layer,, cause expansive soil, silt or sandy soil basic unit to subside, thereby destroy the permeable concrete surface layer because water can be taken away basic unit's soil to the discharging of the soil body.
In order to overcome the situation of subsiding that occurs when permeable concrete is used for expansive soil, silt or sandy soil soil layer, researching and developing a kind of processing method of steady hydraulic permeability concrete basal layer soil body, is very important with compactness, elimination settlement by soaking, the minimizing that improves soil matrix to the problems such as rain leakage amount of soil matrix.
Three, summary of the invention:
The objective of the invention is to overcome permeable concrete and be used for the shortcoming that expansive soil, silt or sandy soil soil layer occur, a kind of processing method of steady hydraulic permeability concrete basal layer soil body is provided.
Technical scheme of the present invention is:
The invention provides a kind of processing method of steady hydraulic permeability concrete basal layer soil body, the concrete steps of this processing method are:
A, described hydraulic permeability concrete basal layer soil body are the expansive soil soil body, or are the silt soil body, or are the sandy soil soil body;
B, earlier the thick soil layer of the soil matrix top 300～500mm of institute's expansive soil soil body to be processed or the silt soil body or the sandy soil soil body is carried out soil removal and replacement or compacting processing with clay;
C, lay 1: 9 thick dirt of one deck 200～220mm in the above then, lay one deck 200g/m in the dirt
2Geotextiles, form stabilized zone, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, shop one layer thickness is 200～220mm permeable concrete on stabilized zone at last.
For the processing method of above-mentioned steady hydraulic permeability concrete basal layer soil body, compacting described in the step b is treated to adopts general rammer that its soil layer compacting to be processed is got final product.
For the processing method of above-mentioned steady hydraulic permeability concrete basal layer soil body, 1: 9 dirt described in the step c is meant that the lime and the volume ratio of soil are 1: 9.
For the processing method of above-mentioned steady hydraulic permeability concrete basal layer soil body, permeable concrete described in the step c is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Positive beneficial effect of the present invention:
1, adopt processing method of the present invention, the stable soil body of formation can be controlled the water yield that permeable concrete infiltrates effectively, is unlikely to lower floor's soil body is taken away, and causes basic unit's earth fall to fall into.
2, the stable soil body that adopts processing method of the present invention to form can make lower floor's earth stress even, guarantees the stable of hydraulic permeability concrete basal layer soil body.
Four, the specific embodiment:
Following examples only in order to further specify the present invention, do not limit content of the present invention.
Embodiment one: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of expansive soil soil body soil matrix top 400mm, adopt clay to carry out soil removal and replacement, lay 1: 9 thick dirt of one deck 200mm then on argillic horizon, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled forms stabilized zone, shop one layer thickness gets final product for the 200mm permeable concrete on stabilized zone at last.Described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment two: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of silt soil body soil matrix top 500mm, adopt general rammer that the silt soil layer is tamped, lay 1: 9 thick dirt of one deck 200mm then in the above, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness gets final product for the 200mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment three: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of sandy soil soil body soil matrix top 300mm, adopt clay to carry out soil removal and replacement, lay 1: 9 thick dirt of one deck 200mm then on argillic horizon, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness gets final product for the 200mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment four: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of expansive soil soil body soil matrix top 500mm, adopt general rammer with its expansive soil soil layer compacting, lay 1: 9 thick dirt of one deck 210mm then in the above, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness gets final product for the 220mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment five: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of silt soil body soil matrix top 350mm, adopt clay to carry out soil removal and replacement, lay 1: 9 thick dirt of one deck 220mm then on argillic horizon, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness gets final product for the 210mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment six: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of sandy soil soil body soil matrix top 450mm, adopt general rammer with its sandy soil soil layer compacting, lay 1: 9 thick dirt of one deck 200mm then in the above, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness is the 200mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment seven: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Earlier with the thick soil layer of expansive soil soil body soil matrix top 300mm, adopt clay to carry out soil removal and replacement, lay 1: 9 thick dirt of one deck 220mm then on argillic horizon, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled forms stabilized zone, shop one layer thickness gets final product for the 210mm permeable concrete on stabilized zone at last.Described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment eight: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Concrete steps are as follows:
Earlier with the thick soil layer of silt soil body soil matrix top 400mm, adopt general rammer that the silt soil layer is tamped, lay 1: 9 thick dirt of one deck 210mm then in the above, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness gets final product for the 220mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Embodiment nine: a kind of processing method of steady hydraulic permeability concrete basal layer soil body
Earlier with the thick soil layer of sandy soil soil body soil matrix top 500mm, adopt clay to carry out soil removal and replacement, lay 1: 9 thick dirt of one deck 210mm then on argillic horizon above it, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, establishes one deck 200g/m at grey soil layer middle berth
2Geotextiles, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, form stabilized zone, shop one layer thickness is the 210mm permeable concrete on stabilized zone at last, and described permeable concrete is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
Claims (3)
1, a kind of processing method of steady hydraulic permeability concrete basal layer soil body is characterized in that the concrete steps of described processing method are:
A, described hydraulic permeability concrete basal layer soil body are the expansive soil soil body, or are the silt soil body, or are the sandy soil soil body;
B, earlier the thick soil layer of the soil matrix top 300～500mm of institute's expansive soil soil body to be processed or the silt soil body or the sandy soil soil body is carried out soil removal and replacement or compacting processing with clay;
C, lay 1: 9 thick dirt of one deck 200～220mm in the above then, described 1: 9 dirt is meant that the lime and the volume ratio of soil are 1: 9, lays one deck 200g/m in the dirt
2Geotextiles, form stabilized zone, each wide 300mm of the every side of width roadbed that dirt and soil matrix are handled, shop one layer thickness is 200～220mm permeable concrete on stabilized zone at last.
2, the processing method of steady hydraulic permeability concrete basal layer soil body according to claim 1 is characterized in that: compacting described in the step b is treated to adopts general rammer that its soil layer compacting to be processed is got final product.
3, the processing method of steady hydraulic permeability concrete basal layer soil body according to claim 1 is characterized in that: permeable concrete described in the step c is the porous light concrete a kind of commonly used that is formed by aggregate, cement and the water system of mixing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100495244A CN100572681C (en) | 2008-04-11 | 2008-04-11 | A kind of processing method of steady hydraulic permeability concrete basal layer soil body |
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| CNB2008100495244A CN100572681C (en) | 2008-04-11 | 2008-04-11 | A kind of processing method of steady hydraulic permeability concrete basal layer soil body |
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| CN101255687A CN101255687A (en) | 2008-09-03 |
| CN100572681C true CN100572681C (en) | 2009-12-23 |
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| CN103161109A (en) * | 2011-12-13 | 2013-06-19 | 中国二十冶集团有限公司 | Method for subgrade filling of peat soil subgrade by sea sand |
| CN103993536A (en) * | 2014-05-30 | 2014-08-20 | 北京建筑大学 | Paving system of plastic grid sand-based water permeable bricks |
| CN109469086A (en) * | 2018-11-10 | 2019-03-15 | 中国石油化工股份有限公司临汾煤层气分公司 | A kind of Collapsible Loess District pump house ground Simple treatment method |
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Granted publication date: 20091223 Termination date: 20190411 |