CN106192975A - A kind of reinforcement method of the soil body - Google Patents
A kind of reinforcement method of the soil body Download PDFInfo
- Publication number
- CN106192975A CN106192975A CN201610793320.6A CN201610793320A CN106192975A CN 106192975 A CN106192975 A CN 106192975A CN 201610793320 A CN201610793320 A CN 201610793320A CN 106192975 A CN106192975 A CN 106192975A
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- Prior art keywords
- soil body
- clay
- soil
- reinforcement method
- physico
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention discloses a kind of soil body reinforcement method, relate to Geotechnical Engineering field, solve soil body petrochemical industry weak effect in prior art, the problem of the easy aquation of clay in the soil body.The method comprising the steps of: is sampled analyzing to the various soil mass in different locations, determines the property of water-bearing and the physico-chemical property of the soil body；According to the soil body physico-chemical property that sample analysis obtains, the soil body is carried out corresponding pretreatment；Process the hydrability of clay in the soil body；Increase the intensity of the soil body.The reality of hitting of its clay of the soil body processed by the invention increases, being significantly improved by water logging lubricant nature and permeability, contractility significantly reduces, and its hydration resistance exceedes rock, and intensity reaches the intensity level of mud stone, engineer applied can be carried out by gathering materials on the spot without changing to fill out.
Description
Technical field
The present invention relates to Geotechnical Engineering field, be specifically related to the project treatment side of the argillaceous soil body in Geotechnical Engineering
Method.
Background technology
The soil body is the important component part in Geotechnical Engineering, and the engineering properties of the soil body is related to the construction of Geotechnical Engineering, makes
With and safeguard.In order to solve its engineering stability, the mankind have been carried out long-term research, achieve the achievement of many.
The most numerous correlation techniques inherently can be divided into two classes: a class is interpolation Binder Materials in the soil body, such as powder
Coal ash, Calx, waterglass, Gypsum Fibrosum, Portland cement etc. carry out curing soil increases the engineering stability of the soil body.This solidification
Potentiation is temporary transient, and engineering is in use along with the infiltration of water, and the clay in soil will be gone out by aquation, the destruction of engineering
Existing.Another kind of is to utilize ion-type macromolecule activator to process soil, and this method essence is a kind of chemical treatment side
Method, regrettably current technology do not take into account the physical characteristic in soil and electrochemical properties so that in engineering practice because of
The impact of the physico-chemical property of different locations various soil mass, effect success or failure half-and-half in engineering practice.In this two classes technology, application
Obtain the most generally soil-solidified-agent and soil solidification method, such as Patent No. " CN201210541752.X ", patent name
For the patent of invention of " soil-solidified-agent and soil solidification method ", there is disclosed a kind of containing flyash, Calx, waterglass, common
Portland cements etc. play the firming agent of gelation and use the method that this firming agent carries out soil solidification.
As can be seen here, in the current research strengthening soil body engineering strength and stability, it is both for soil body entirety and carries out
, and the clay that the basic reason that soil body engineering actually rises destruction is in the soil body, because the aquation of clay mineral
Effect can produce imbibition and dehydration shrinkage, and secondly, different protolith air slaking its physico-chemical property of clay formed is to have
Difference, the environment at soil body place also can produce impact to the performance of the soil body, therefore the formula using a component structure fixing comes
The soil body processing different location is not-so-practical, and its solidification effect cannot ensure.
Summary of the invention
For solving the defect that above-mentioned technology exists, the invention provides one and can significantly improve in the soil body clay by water infiltration
Property and permeability and reduce inotropic soil body reinforcement method.
The present invention realizes the technical scheme that above-mentioned technique effect used:
A kind of reinforcement method of soil body, comprises the steps:
1), field condition sampling, by being sampled analyzing to the various soil mass type in different locations, determine the thing of the soil body
Change character；
2), indoor detection analysis, determine the property of water-bearing and the physico-chemical property of the soil body；
3), determine pretreating scheme, formulate pretreating scheme according to the soil body physico-chemical property determined；
4), carry out on-the-spot clay treatment, process the hydrability of clay；
5), the on-the-spot soil body of row process, increase soil strength.
Preferably, in the reinforcement method of above-mentioned a kind of soil body, in step 1) first carry out field investigation, by open country before
Outer on-the-spot on-site inspection substantially determines soil body type；
Preferably, in the reinforcement method of above-mentioned a kind of soil body, in step 4) carry out on-site pretreatment, according to step before
Rapid 3) pretreating scheme formulated carries out pretreatment to scene；
Preferably, in the reinforcement method of above-mentioned a kind of soil body, in step 2) in the soil body physico-chemical property that determines include soil
The acid-base value of body and electrochemical properties.
Preferably, in the reinforcement method of above-mentioned a kind of soil body, soil body type is determined carrying out field investigation scene on the spot
Time investigation index include the content of clay in the soil body.
Preferably, in the reinforcement method of above-mentioned a kind of soil body, in the soil body, the content's index of clay is not less than 20%.
The invention have the benefit that through the present invention process soil response, its clay fraction meet water time by water
Wellability and permeability are significantly reduced, and dehydration shrinkage when being dried have also been obtained and significantly reduces, therefore, through place
In the soil body of reason, its interior clay has more preferable colloidal nature, by dry and cracked with dehydration shrinkage for no longer notable water suction, because clay is inhaled
Water expands the problems such as the engineering project deformation caused with dehydration shrinkage and destruction and has obtained fine solution.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention.
Detailed description of the invention
In order to technical characteristic, purpose and the effect of the soil body reinforcement method of the present invention are more clearly understood from, existing right
The specific embodiment of soil body reinforcement method of the present invention is described in detail according to accompanying drawing.
As it is shown in figure 1, a kind of reinforcement method of soil body, comprise the steps:
S1, field condition sample, and by being sampled analyzing to the various soil mass type in different locations, determine the thing of the soil body
Change character；
S2, indoor detection analysis, determine the property of water-bearing and the physico-chemical property of the soil body；
S3, determine pretreating scheme, formulate pretreating scheme according to the soil body physico-chemical property determined；
S4, carry out on-the-spot clay treatment, process the hydrability of clay；
The on-the-spot soil body of S5, row processes, and increases soil strength.
Further, in the reinforcement method of above-mentioned a kind of soil body, before step S1, first carry out field investigation, pass through
Field condition on-site inspection substantially determines soil body type, specifically carry out field investigation on the spot on-the-spot determine the soil body type time
Investigation index includes the content of clay in the soil body, and in the soil body, the content's index of clay is not less than 20%.
Further, in the reinforcement method of above-mentioned a kind of soil body, carry out on-site pretreatment before step S 4, according to
The pretreating scheme that step S3 is formulated carries out pretreatment to scene；
Further, in the reinforcement method of above-mentioned a kind of soil body, the soil body property of water-bearing determined in step s 2 and materialization
Character includes acid-base value and the electrochemical properties of the soil body.
Soil body sample after the present invention processes, it hits real clay test specimen after shaping and soaks in water 30 days and do not burst
Dissipate, and clay test specimen after this treatment its hit reality increase, untreated clay test specimen its optimum moisture content 14.1 ω
(%), its optimum moisture content 10.5 ω of the clay test specimen after process (%), its maximum dry density 1.826 of untreated clay test specimen
(contractility reduces ρ d, untreated clay test specimen for g/cm3, the clay test specimen of process its maximum dry density 1.830 ρ d (g/cm3)
Its average shrinkage ratio 9.26%, its average shrinkage ratio 5.37% of the clay test specimen of process, by water logging lubricant nature and permeability reduction.Warp
Cross water suction Soaking experiment, be highly placed in water the 20% of treated and untreated clay test specimen, untreated after 35 minutes
Clay test specimen is all waterlogged and ftractures disintegrate, and treated clay test specimen, after soaking 24 hours, remains in that and puts into water
In 5 minutes time the infiltration state of 1 millimeter.Its cohesion c value of clay test specimen after process is 222.24 (kpa), and untreated
Its cohesion c value of clay test specimen be 217.89 (kpa), process after its internalfrictionangleφ of clay test specimen 41.62 °, untreated
Its internalfrictionangleφ of clay test specimen 41.25 °.
In sum, through the soil response that the present invention processes, its clay fraction when meeting water by water logging lubricant nature and oozing
Property is significantly reduced thoroughly, and dehydration shrinkage when being dried have also been obtained and significantly reduces, therefore, and the treated soil body
In, its interior clay has a more preferable colloidal nature, will no longer notable water suction and dehydration shrinkage dry and cracked, because of clay imbibition and
The problem such as engineering project deformation that dehydration shrinkage causes and destruction has obtained fine solution.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these change and
Improvement both falls within the range of claimed invention, the protection domain of application claims by appending claims and
Equivalent defines.
Claims (6)
1. the reinforcement method of a soil body, it is characterised in that comprise the steps:
(1), field condition sampling, by being sampled analyzing to the various soil mass type in different locations, determine the materialization of the soil body
Character；
(2), indoor detection analysis, determine the property of water-bearing and the physico-chemical property of the soil body；
(3), determine pretreating scheme, formulate pretreating scheme according to the soil body physico-chemical property determined；
(4), carry out on-the-spot clay treatment, process the hydrability of clay；
(5), the on-the-spot soil body of row process, increase soil strength.
The reinforcement method of a kind of soil body the most according to claim 1, it is characterised in that first carried out open country before step (1)
External survey, substantially determines soil body type by field condition on-site inspection.
The reinforcement method of a kind of soil body the most according to claim 1, it is characterised in that carried out scene before step (4)
Pretreatment, carries out pretreatment according to the pretreating scheme that step (3) is formulated to scene.
The reinforcement method of a kind of soil body the most according to claim 1, it is characterised in that the soil body determined in step (2)
Physico-chemical property includes the property of water-bearing of the soil body, acid-base value and electrochemical properties.
The reinforcement method of a kind of soil body the most according to claim 2, it is characterised in that field investigation is the most on-the-spot carrying out
Investigation index when determining soil body type includes the content of clay in the soil body.
The reinforcement method of a kind of soil body the most according to claim 5, it is characterised in that in the soil body, the content's index of clay is not
Less than 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610793320.6A CN106192975A (en) | 2016-08-31 | 2016-08-31 | A kind of reinforcement method of the soil body |
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| CN201610793320.6A CN106192975A (en) | 2016-08-31 | 2016-08-31 | A kind of reinforcement method of the soil body |
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| CN106192975A true CN106192975A (en) | 2016-12-07 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000109830A (en) * | 1998-10-01 | 2000-04-18 | Ube Ind Ltd | Solidifying material for moisture-containing soil and improvement of solidification of moisture-containing soil |
| US20030082014A1 (en) * | 2001-08-30 | 2003-05-01 | Soo-Yong Kang | Method for reinforcing slope reverse analysis technique |
| CN1683719A (en) * | 2004-09-07 | 2005-10-19 | 陈永烽 | Expansion soil ecological modifying agent and construction method |
| CN101230570A (en) * | 2008-02-20 | 2008-07-30 | 山东省交通厅公路局 | Layered multitime pressure regulating pulp conditioning casting method |
| CN101463601A (en) * | 2009-01-16 | 2009-06-24 | 上海港湾软地基处理工程有限公司 | Preset high vacuum soft foundation processing method by high vacuum compaction |
| CN102002934A (en) * | 2010-11-03 | 2011-04-06 | 太原理工大学 | In-situ modification reinforcing method for expansive soft rock soil |
| CN104264655A (en) * | 2014-10-16 | 2015-01-07 | 中化岩土工程股份有限公司 | Preformed hole deep-layer underwater tamping method |
| CN104594148A (en) * | 2014-12-01 | 2015-05-06 | 安徽建工集团有限公司 | Classification processing method for high-liquid-limit soil in roadbed engineering |
-
2016
- 2016-08-31 CN CN201610793320.6A patent/CN106192975A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000109830A (en) * | 1998-10-01 | 2000-04-18 | Ube Ind Ltd | Solidifying material for moisture-containing soil and improvement of solidification of moisture-containing soil |
| US20030082014A1 (en) * | 2001-08-30 | 2003-05-01 | Soo-Yong Kang | Method for reinforcing slope reverse analysis technique |
| CN1683719A (en) * | 2004-09-07 | 2005-10-19 | 陈永烽 | Expansion soil ecological modifying agent and construction method |
| CN101230570A (en) * | 2008-02-20 | 2008-07-30 | 山东省交通厅公路局 | Layered multitime pressure regulating pulp conditioning casting method |
| CN101463601A (en) * | 2009-01-16 | 2009-06-24 | 上海港湾软地基处理工程有限公司 | Preset high vacuum soft foundation processing method by high vacuum compaction |
| CN102002934A (en) * | 2010-11-03 | 2011-04-06 | 太原理工大学 | In-situ modification reinforcing method for expansive soft rock soil |
| CN104264655A (en) * | 2014-10-16 | 2015-01-07 | 中化岩土工程股份有限公司 | Preformed hole deep-layer underwater tamping method |
| CN104594148A (en) * | 2014-12-01 | 2015-05-06 | 安徽建工集团有限公司 | Classification processing method for high-liquid-limit soil in roadbed engineering |
Non-Patent Citations (2)
| Title |
|---|
| 周厚贵等: "《海岛开发成陆工程技术》", 31 January 2015, 中国科学技术出版社 * |
| 张慧萍: "强夯半置换处理泥炭质粘土地基", 《山西建筑》 * |
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Application publication date: 20161207 |
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