CN202672161U - Cement-soil mixing drum sheet-pile united slope structure with soil nails - Google Patents
Cement-soil mixing drum sheet-pile united slope structure with soil nails Download PDFInfo
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- CN202672161U CN202672161U CN 201220234775 CN201220234775U CN202672161U CN 202672161 U CN202672161 U CN 202672161U CN 201220234775 CN201220234775 CN 201220234775 CN 201220234775 U CN201220234775 U CN 201220234775U CN 202672161 U CN202672161 U CN 202672161U
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Abstract
The utility model discloses a cement-soil mixing drum sheet-pile united slope structure with soil nails and aims to provide a cement-soil mixing drum sheet-pile united slope structure provided with drum pile and sheet pile united bodies with different burning depths and a corresponding amount of soil nails on drum piles. The cement-soil mixing drum sheet-pile united slope structure with the soil nails comprises cement-soil mixing drum piles, sheet piles and soil nail structures, wherein the adjacent drum piles and the sheet piles are staggered and connected into a whole; the drum piles and the sheet piles are respectively vertical large-diameter cement-soil mixing drum piles and cuboid sheet piles, and central surfaces of the adjacent drum piles and the sheet piles are kept on the same plane; and the soil nails are slender rod pieces used for reinforcing or simultaneously anchoring an in-situ soil body. The cement-soil mixing drum sheet-pile united slope structure with the soil nails has the beneficial effects of not only saving building materials and resources, but also ensuring the safety and stability of the slope structure by adopting the cement-soil mixing drum sheet-pile united slope structure with the soil nails in side slope bracing engineering such as water conservancy, roads and bridges, urban deep foundation pits and the like on the premise of meeting the design requirement and the degree of safety.
Description
Technical field
The utility model relates to the engineering design and construction technical fields such as construction work, Foundation Design, slope support engineering, relates in particular to a kind of cement-soil cylinder plate connection stake protective slope structure with soil nailing.
Background technology
Since the reform and opening-up, along with China's economy grows continuously and fast, various large-scale water conservancies, municipal traffic, road and bridge, urban architecture object of construction production also continuous planning with build the slope retaining problem ubiquity that relates to thus.In traditional protective slope structure, the stone paving structure of employing as usual need a large amount of exploitations to use building stones, and the large floor space of structure section is many; The normal bored pile curtain structure that adopts in the pattern foundation pit supporting structure need expend a large amount of Reinforced Concrete Materials in work progress for another example, and construction costs is high.
China Patent Publication No. CN201924342U, name is called cast-in-place concrete cylindrical sheet connecting pile, this invention mainly provides a kind of stake and sheet pile to connect the degree of depth of one and sheet pile less than the cast-in-place concrete cylindrical sheet connecting pile of cylinder stake, but this protective slope structure adopts the concrete cast-in-situ construction, still need expend ample resources, cost is relatively high, and whole overturning or slip resistance analysis and anti-side sliding move ability with compare with the homogeneous structure system of soil nailing obviously not high.
Deficiency for above-mentioned existing protective slope structure system is improved, a kind of Soil-cement cylinder plate connection stake protective slope structure with soil nailing is proposed, under the prerequisite that satisfies engineering design requirement and degree of safety, employing is with the cement-soil cylinder plate connection stake protective slope structure of soil nailing, both saved constructional materials and resource, guaranteed again that the safety of protective slope structure was with stable.
The utility model content
For normal stone paving structure, the bored pile curtain structure that adopts in the traditional bank structural system, and the deficiency that exists such as cast-in-place concrete cylindrical sheet connecting pile structure, the utility model provides an a kind of Soil-cement cylinder plate connection stake protective slope structure with soil nailing.
To achieve these goals, the technical solution adopted in the utility model is: a kind of Soil-cement cylinder plate connection stake protective slope structure with soil nailing, this structural system is made of the stake of Soil-cement cylinder, sheet pile and soil nailing structure etc., interlaced arrangement and combining as a whole between adjacent cartridges stake and the sheet pile.Described cylinder stake and sheet pile are respectively major diameter cement mixing method and the cuboid sheet pile of setting, and the median plane of adjacent cartridges stake and sheet pile structure remains in the same plane; Described soil nailing is to reinforce or the slender rod piece of the on-the-spot original position soil body of simultaneously anchoring, and by the soil nailing of respective numbers is set in the cylinder stake, overturning or slip resistance analysis and the anti-side sliding that can improve cement-soil cylinder plate connection pilework move ability.
As preferably, the stake of Soil-cement cylinder plate connection utilizes cement (or other similar materials, such as lime) as curing compound, by special Mixing Machine, in the certain depth scope, (be generally 8m～20m) curing compound such as foundation soil and cement are stirred by force, form the Soil-cement cylinder plate connection stake with impervious sealing and some strength after solidifying, and with a connection stake surrounding soil shared upper load.
The stake of Soil-cement cylinder plate connection is a kind of both being different to rely on the Squeezing Soil Pile that high energy impacts, the high frequency vibrating swaging becomes, and also is different from the new-type pilework of the castinplace pile that forms by boring, punching.This connection pilework is by adopting special drilling rod or bit drills underground layer predetermined depth, ejection cement paste or cement flour, simultaneously limit spray, limit are stirred, Bian Shangti, thereby allow cement paste or cement flour along with creeping into the original position soil body of boring stirred by force, form complete pile body after the process knot is hard; Can before the cement-soil scleroma, insert simultaneously shaped steel (or precast concrete core) and make stiffened soil-cement stirring connection pilework.
In the practice of construction, cylinder stake stake according to the connection stake design of cylinder plate is long, the degree of depth and the specification of diameter and sheet pile, adjust drilling rod or bit drills underground layer predetermined depth and stirring region scope, can reach between adjacent cartridges stake and the sheet pile interlaced arrangement and combine as a whole, the sheet pile depth ratio cylinder stake degree of depth is wanted shallow designing requirement.
As preferably, the soil nailing structure is to reinforce or the slender rod piece of the on-the-spot original position soil body of simultaneously anchoring, usually takes in the soil boring to insert notched bars (being Ribbed Bar), and along the method construction molding of hole total length slip casting.Interfacial adhesion or frictional force passive stressed and main bearing tension effect under the condition that the soil body deforms between the dependence of soil nailing structure and the soil body can fully be reinforced or the on-the-spot original position soil body of simultaneously anchoring.In addition, the soil nailing structure also available steel pipe angle steel etc. adopt the method that directly is driven into to be buried in the earth as rivet nut.
Combine Soil-cement connection stake energy and land saving, economy and the soil nailing structure can effectively be reinforced or the on-the-spot original position soil body of simultaneously anchoring with the stake of the Soil-cement of soil nailing connection, taking full advantage of the advantages such as supporting capacity of the soil body itself, is the comparatively ideal state that engineering circles is generally pursued; In the side slope support engineerings such as water conservancy, road and bridge, deep basic pit project in city, meet design requirement and the prerequisite of degree of safety under adopt a cement-soil cylinder plate connection stake protective slope structure with soil nailing, can save constructional materials and resource, can guarantee that again the safety of protective slope structure is with stable.
Description of drawings
Accompanying drawing is a kind of Soil-cement cylinder plate connection stake protective slope structure schematic diagram with soil nailing.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As a kind of embodiment of the present utility model, consult accompanying drawing, the utility model comprises by the stake of Soil-cement cylinder, sheet pile and soil nailing structure etc. and consisting of, interlaced arrangement and combining as a whole between adjacent cartridges stake and the sheet pile.Described cylinder stake and sheet pile are respectively major diameter cement mixing method and the cuboid sheet pile of setting, and the median plane of adjacent cartridges stake and sheet pile structure remains in the same plane; Described soil nailing is to reinforce or the slender rod piece of the on-the-spot original position soil body of simultaneously anchoring.
Continue to consult accompanying drawing, implementation process of the present utility model mainly is divided into following step.
The design of Soil-cement cylinder plate connection pilework is to determine in the situation in the cement amount of referring and synthesizing, set respectively first cylinder stake, sheet pile length and cross section specification, and Single Pile Bearing, determine the bearing capacity of compound foundation pile under native acting in conjunction, calculate again replacement ratio and stake number.Cylinder pilework described in the utility model is the stake of major diameter Soil-cement cylinder, and diameter range is at 800mm～1500mm; Described sheet pile structure is the real plate of cuboid, and thickness range is 300mm～1000mm, and the length and width size is decided on detailed programs; And interlaced arrangement and combining as a whole between adjacent cartridges stake and the sheet pile, the sheet pile depth ratio cylinder stake degree of depth is shallow.
In general, the combination of long, the foundation bed area of stake, replacement ratio or stake number can have a variety of, but wherein certainly exist one group of optimized combination, can give full play to the connection stake of Soil-cement cylinder plate and inter-pile soil potential bearing capacity, reach most economical effect, be to need in the design process to consider to weigh.
In the soil nailing structure that the cylinder stake arranges, generally include the checking computations of soil nailing design and whole protective slope structure system stability during design.In the soil nailing design process, the parameters such as soil nailing design internal force, soil nailing length, soil nailing diameter, soil nailing intensity be must consider and soil nailing quantity and the concrete coupling position of setting need determined, at last Soil-cement cylinder plate connection pilework and soil nailing structure are thought of as an integral body, carry out again the checking computations of protective slope structure resistance to overturning.
In the practice of construction, cylinder stake stake according to the connection stake design of cylinder plate is long, the degree of depth and the specification of diameter and sheet pile, constantly adjust drilling rod or bit drills underground layer predetermined depth and stirring region scope, can reach between adjacent cartridges stake and the sheet pile interlaced arrangement and combine as a whole, the sheet pile depth ratio cylinder stake degree of depth is wanted shallow designing requirement.As a kind of embodiment of the present utility model, the soil nailing structure adopts drilled pressure filling anchor structure form, get final product construction molding, interfacial adhesion or frictional force passive stressed and main bearing tension effect under the condition that the soil body deforms between dependence and the soil body by the main construction link such as boring, joint bar, slip casting.
Put it briefly, combine Soil-cement connection stake energy and land saving, economy and the soil nailing structure can effectively be reinforced or the on-the-spot original position soil body of simultaneously anchoring with the stake of the Soil-cement of soil nailing connection, taking full advantage of the advantages such as supporting capacity of the soil body itself, is the comparatively ideal state that engineering circles is generally pursued.
The beneficial effects of the utility model are: in the side slope support engineerings such as water conservancy, road and bridge, deep basic pit project in city, meet design requirement and the prerequisite of degree of safety under, employing is with the cement-soil cylinder plate connection stake protective slope structure of soil nailing, both saved constructional materials and resource, guaranteed again that the safety of protective slope structure was with stable.
Claims (4)
1. the cement-soil cylinder plate with soil nailing joins the stake protective slope structure, mainly consisted of by the stake of Soil-cement cylinder, sheet pile and soil nailing structure, described cylinder stake and sheet pile are respectively the cylinder stake of major diameter Soil-cement and the cuboid sheet pile of setting, interlaced arrangement and combining as a whole between adjacent cartridges stake and the sheet pile, and the median plane of adjacent cartridges stake and sheet pile structure remains in the same plane; Described soil nailing is to reinforce or the slender rod piece of the on-the-spot original position soil body of simultaneously anchoring.
2. a kind of cement-soil cylinder plate with soil nailing according to claim 1 joins the stake protective slope structure, it is characterized in that: described cylinder pilework is the stake of major diameter Soil-cement cylinder, and diameter range is at 800mm～1500mm; Described sheet pile structure is the real plate of cuboid, and thickness range is 300mm～1000mm, and the length and width size is decided on detailed programs.
3. a kind of cement-soil cylinder plate with soil nailing according to claim 1 joins the stake protective slope structure, it is characterized in that: Soil-cement cylinder plate connection stake protective slope structure is provided with soil nailing, interfacial adhesion or frictional force passive stressed and main bearing tension effect under the condition that the soil body deforms between this soil nailing structure dependence and the soil body can be used to fully reinforce or the on-the-spot original position soil body of simultaneously anchoring.
4. a kind of cement-soil cylinder plate with soil nailing according to claim 1 joins the stake protective slope structure, it is characterized in that: in the described Soil-cement cylinder plate connection pilework with soil nailing, Soil-cement cylinder plate connection pilework has effectively been utilized the supporting capacity of the soil body itself, and adopts soil nailing to reinforce or the on-the-spot original position soil body of anchoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234775 CN202672161U (en) | 2012-05-22 | 2012-05-22 | Cement-soil mixing drum sheet-pile united slope structure with soil nails |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234775 CN202672161U (en) | 2012-05-22 | 2012-05-22 | Cement-soil mixing drum sheet-pile united slope structure with soil nails |
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| CN202672161U true CN202672161U (en) | 2013-01-16 |
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| CN 201220234775 Expired - Fee Related CN202672161U (en) | 2012-05-22 | 2012-05-22 | Cement-soil mixing drum sheet-pile united slope structure with soil nails |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343541A (en) * | 2013-07-10 | 2013-10-09 | 中铁第一勘察设计院集团有限公司 | Pile-plate combined type foundation pit excavation protective structure and construction method thereof |
| CN107574835A (en) * | 2016-07-05 | 2018-01-12 | 辛德刚 | Soil cement soil nailing cob wall |
| CN108166506A (en) * | 2018-01-24 | 2018-06-15 | 浙江立鹏建设有限公司 | A kind of foundation pit supporting construction |
-
2012
- 2012-05-22 CN CN 201220234775 patent/CN202672161U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343541A (en) * | 2013-07-10 | 2013-10-09 | 中铁第一勘察设计院集团有限公司 | Pile-plate combined type foundation pit excavation protective structure and construction method thereof |
| CN103343541B (en) * | 2013-07-10 | 2015-05-06 | 中铁第一勘察设计院集团有限公司 | Pile-plate combined type foundation pit excavation protective structure and construction method thereof |
| CN107574835A (en) * | 2016-07-05 | 2018-01-12 | 辛德刚 | Soil cement soil nailing cob wall |
| CN108166506A (en) * | 2018-01-24 | 2018-06-15 | 浙江立鹏建设有限公司 | A kind of foundation pit supporting construction |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130522 |