CN202380481U - Slurry building block stone and concrete combined gravity retaining wall - Google Patents
Slurry building block stone and concrete combined gravity retaining wall Download PDFInfo
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- CN202380481U CN202380481U CN2012200106873U CN201220010687U CN202380481U CN 202380481 U CN202380481 U CN 202380481U CN 2012200106873 U CN2012200106873 U CN 2012200106873U CN 201220010687 U CN201220010687 U CN 201220010687U CN 202380481 U CN202380481 U CN 202380481U
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- retaining wall
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- cemented rock
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Abstract
The utility model provides a slurry building block stone and concrete combined gravity retaining wall, which consists of a slurry building block stone layer and a concrete layer which are connected with each other through a horse tooth shaped engagement structure, wherein a plurality of water drainage pipes penetrating through the inner side surface and the outer side surface of a wall body are arranged in the wall body; and according to the wall body, the concrete layer is used as a main body, and the slurry building block stone layer is used as an inner filling, or the slurry building block stone layer is used as a main body, and the concrete layer is arranged on the stressed side. The two materials are combined, so that the pure concrete gravity retaining wall is relatively low in manufacturing cost; under the condition of the same sectional size, the retaining bearing capacity of the slurry building block stone retaining wall can be obviously improved, and the stability is relatively high; and the construction convenience is not reduced. The combined gravity retaining wall is applied to water conservancy, building, road and railway edge slop supporting and protecting engineering and has great significance for technical progress and high economic value.
Description
Technical field
The utility model relates to the slope retaining retaining wall, relates in particular to a kind of cemented rock and concrete combined type gravity retaining wall.
Background technology
Gravity retaining wall is a kind of structural shape of extensive use in water conservancy, building, highway and the railway slope support engineering.
In the gravity retaining wall of operate as normal; Arbitrary height place, drawing on the cross section, compressive stress are uneven, near being bigger tensile stress in the soil body one side wall; And be bigger compressive stress in the side wall near free face, the cross section middle part then is tension and compression, all less zone of stress.Existing gravity retaining wall all adopts single material to build, like concrete, cemented rock etc.
Though pure concrete retaining wall has stronger supporting capacity, its construction costs is higher.Usually, concrete gravity formula retaining wall need consume concrete raw materials such as a large amount of cement, sand, rubble; And since in the retaining wall drawing on arbitrary height place cross section, compressive stress be uneven, thereby can cause waste of material in large quantities, thereby cause cost to roll up.
In the pure cemented rock retaining wall engineering; In order to guarantee the integrality of its bearing capacity and self structure; The pure concrete retaining wall of equal relatively bearing capacity; Can do the cross section of pure cemented rock retaining wall bigger,, satisfy the engine request that tensile stress is no more than its tensile strength thus to reduce the tensile stress that the body of wall that is produced under the same cross-sectional moment of flexure leans on the soil body one side.But cause engineering quantitys such as excavation, building to increase so again.
To sum up, there are big, the defectives such as construction costs is high, unreasonable structure of waste of material in the retaining wall of homogenous material.
The utility model content
Above-mentioned deficiency to the prior art existence; The gravity retaining wall that the utility model solves homogenous material exists materials unreasonable; Cause the high defective of waste of material and construction costs; Provide a kind of cost significantly to save, structure is more reasonable, and can effectively guarantee the cemented rock and the concrete combined type gravity retaining wall of its retaining soil bearing capacity.
Realize above-mentioned purpose, the technical scheme that the utility model adopts is such: a kind of cemented rock and concrete combined type gravity retaining wall, comprise body of wall, and it is characterized in that: this body of wall is made up of cemented rock layer and layer of concrete; Cemented rock layer and layer of concrete adopt the occlusion structure of horse tooth trough shape to be connected as a single entity; The bottom surface of said body of wall is stairstepping, and its bottom surface is along the lateral surface inclination that faces down to the inside.
Further, said body of wall is main body with the layer of concrete, and the cemented rock layer is done inner the filling.
Further, said body of wall is the main body with the cemented rock layer, the inboard layer of concrete that adopts.
Further, body of wall inside is provided with the gutter of some perforation body of wall medial surfaces and lateral surface, and said gutter adopts plastic pipe or metal tube.
Further, the gutter mouth of pipe place inboard at body of wall is provided with loaded filter, and said loaded filter covers the mouth of pipe fully, and the loaded filter below also is provided with water barrier.
As preferably, the lateral surface of body of wall and medial surface adopt any one arranged in form in following three kinds of forms, that is: lateral surface is faced upward tiltedly, and medial surface is upright; Lateral surface is faced upward tiltedly, and medial surface is bowed tiltedly; Lateral surface is upright, and medial surface is bowed tiltedly.
Because arbitrary height place in the retaining wall, the tension and compression stress on the cross section is uneven, therefore; Can adopt the lower material of intensity in the little place of stress, and the higher relatively material of intensity can be adopted in the big place of stress, simultaneously gravity retaining wall is except satisfying the wall section internal stress meets the demands; Also must be through the slippage of toppling that soil pressure caused after the self gravitation resistance wall, because cemented rock and two kinds of material severes of concrete are more approaching, and both intensity difference are bigger; Therefore; In the gravity retaining wall engineering that has a large capacity and a wide range, can carry out reasonable combination to two kinds of materials, reach the optimization on the Technological Economy thus; Practice thrift the construction costs of gravity retaining wall, good slope retaining supporting capacity is provided simultaneously.
Compared with prior art, the utlity model has following beneficial effect:
Different parts at gravity retaining wall commonly used combines piece barnacle body with concrete, form combined type gravity barricade, utilizes cemented rock masonry severe relatively large; And cost is lower than concrete characteristics, in body of wall, receives the less position of tensile stress, adopts the barnacle material; Can satisfy the demand of gravity retaining wall, have good overturning or slip resistance analysis, antiskid moves stability, also can effectively practice thrift construction costs self gravitation; Do not reduce simultaneously the supporting capacity of its retaining slight slope yet, rational in infrastructure;
Cemented rock layer and layer of concrete adopt the occlusion structure of horse tooth trough shape to be connected as a single entity, and it is better to have stability, the characteristics that supporting capacity is stronger;
The utility model is combined with two kinds of materials; Former simple concrete gravity formula retaining wall cost is more saved; Also can significantly improve the retaining soil bearing capacity of former simple cemented rock gravity retaining wall under the simultaneously identical sectional dimension situation; Do not reduce the convenience of its construction yet, and the bottom of combined type gravity retaining wall is arranged to stepped, the effective opposing slippage ability of reinforced retaining wall;
To sum up, in the water conservancy that this combined type gravity retaining wall can be applicable to have a large capacity and a wide range, building, highway, the railway slope support engineering, have good technical progress meaning and economic worth.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3;
Fig. 4 is the structural representation of the utility model embodiment 4.
The specific embodiment
To combine accompanying drawing and embodiment that the utility model is described further below.
Embodiment 1: referring to Fig. 1, a kind of cemented rock and concrete combined type gravity retaining wall comprise body of wall, and this body of wall is made up of cemented rock layer 3 and layer of concrete 4, and said body of wall outside is a layer of concrete, and inside is the cemented rock layer; Cemented rock layer and layer of concrete junction are interlocked through the occlusion structure 5 of horse tooth trough shape; Can avoid forming the straight joint of stressed weakness at the handing-over position; Effectively impel two kinds of material cooperative bearings, can prevent that two kinds of materials from producing slippage each other, stability is better.Simultaneously, the only inner cemented rock that adopts is filled, and the outside is the higher concrete of intensity, be applicable to highly higher, the slope project that soil pressure is bigger.The bottom surface of said body of wall is stairstepping, and its bottom surface is along the lateral surface inclination that faces down to the inside, and the antiskid that can effectively improve retaining wall moves ability.With the concrete is main body, because position stress is little in the retaining wall cross section, fills so can adopt cemented rock to carry out inside, and the bigger road of whole project, railway slope engineering are had good economic benefit, can significantly practice thrift construction costs.
The lateral surface 1 of body of wall (free face one side) is faced upward tiltedly, and medial surface 2 (face one side of banketing) is upright, can effectively move after the center of gravity with retaining wall, increases the overturning or slip resistance analysis coefficient of stability of retaining wall, also can effectively reduce the open excavation amount in position, inboard face wall bottom simultaneously.The bottom surface of said body of wall is stairstepping, and the antiskid that can effectively improve retaining wall moves ability; By wall outer side face bottom be peak, and body of wall medial surface bottom is a minimum point, stepped with making bottom the wall, about every grade of desirable 300mm of ladder height, about the desirable 900mm of step length.During construction, by in time laying concrete cushion 7 behind this shape excavation ground, can adopt the C10 concrete to carry out 100mm hassock layer and lay, with protection soil supporting layer and convenient follow-up construction.
The interlock key of horse tooth trough shape is set in cemented rock and concrete junction, and the interlock key is grown about the desirable 200mm of length, about the desirable 300mm of interlock key height, about the desirable 500mm of the vertical spacing of adjacent interlock key.
Body of wall inside is provided with the gutter 6 of some perforation body of wall medial surfaces and lateral surface, and said gutter adopts plastic pipe or metal tube.In work progress, said gutter is obliquely installed, and inboard nozzle position is higher than outside nozzle position; Make it to have 5% ~ 10% gradient; About the desirable 100 ~ 150mm in gutter aperture, about gutter spacing 2 ~ 3m, be crisscross arranged up and down; Next row's gutter outside mouth of pipe (delivery port) should 200mm above ground level about, the hole of cemented rock masonry and gutter utilizes the masonry mortar filling closely knit.The gutter mouth of pipe place inboard at body of wall is provided with loaded filter 8, and said loaded filter covers the mouth of pipe fully, and loaded filter adopts dank material, like cobble, sand gravel etc.; Avoid sandy soil that the mouth of pipe is blocked.The loaded filter below also is provided with water barrier 9, and said water barrier adopts clay to make, and 300mm is thick at least for this clay water barrier.
Because concrete and these two kinds of engineering material severes of cemented rock are near (cemented rock 24-26kN/m
3, concrete 24kN/m
3), all can guarantee for gravity retaining wall provides good gravity.Aspect compressive strength, concrete is higher than cemented rock several times (general about about 2 to 5 times).Aspect resistance to tension, because cemented rock is because self piece stone grouts characteristic, its tensile strength then more doubles to be lower than concrete tensile strength (be generally concrete tensile strength about 1/5 to 1/10).In addition, the cost aspect, gravity retaining wall is used for the mountain area slope retaining more usually, and the often voluminous stone material in mountain area, the homogenous material gravity retaining wall of equal volume is accomplished in construction, and general cemented rock cost is about concrete about 1/2.
Therefore, the pure cemented rock retaining wall before the construction costs of this retaining wall is lower than, the supporting capacity that the while is not weakened this retaining wall yet effectively reduces construction costs thus, does not also weaken the supporting capacity of this retaining wall.
Whole construction course is following:
At first, excavate stepped ground, and in time lay concrete cushion;
Then, build the cemented rock layer by laying bricks or stones at concrete cushion middle part, and in cemented rock layer both sides concreting, simultaneously, lay drainage pipe as required, in this process, but the cemented rock layer is built on the limit by laying bricks or stones, limit concreting layer; Also can be earlier with the cemented rock layer build by laying bricks or stones finish after, concreting again.
At last, layering is rammed and to be filled out behind the wall cubic metre of earth, at the inboard gutter mouth of pipe place of body of wall loaded filter is set again, and below loaded filter, water barrier is set.
Because arbitrary height place in the retaining wall, the tension and compression stress on the cross section is uneven, therefore; Can adopt the lower material of intensity in the little place of stress, and the higher relatively material of intensity can be adopted in the big place of stress, simultaneously gravity retaining wall is except satisfying the wall section internal stress meets the demands; Also must be through the slippage of toppling that soil pressure caused after the self gravitation resistance wall, because cemented rock and two kinds of material severes of concrete are more approaching, and both intensity difference are bigger; Aspect tensile strength, concrete is big more a lot of than cemented rock, therefore; Two kinds of materials are combined; Under the prerequisite that does not influence its retaining soil bearing capacity, more save than former simple concrete gravity formula retaining wall and simple cemented rock gravity retaining wall cost, do not reduce the convenience of its construction simultaneously.
Need to prove at last; Above embodiment is only in order to technical scheme but not the restriction technologies scheme of explanation the utility model; Although the applicant specifies the utility model with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that those technical schemes to the utility model make amendment or be equal to replacement; And do not break away from the aim and the scope of present technique scheme, all should be encompassed in the middle of the claim scope of the utility model.
Claims (6)
1. cemented rock and concrete combined type gravity retaining wall comprise body of wall, and it is characterized in that: this body of wall is made up of cemented rock layer and layer of concrete; Cemented rock layer and layer of concrete adopt the occlusion structure of horse tooth trough shape to be connected as a single entity; The bottom surface of said body of wall is stairstepping, and its bottom surface is along the lateral surface inclination that faces down to the inside.
2. a kind of cemented rock according to claim 1 and concrete combined type gravity retaining wall is characterized in that: said body of wall is main body with the layer of concrete, and the cemented rock layer is done inner the filling.
3. a kind of cemented rock according to claim 1 and concrete combined type gravity retaining wall, it is characterized in that: said body of wall is the main body with the cemented rock layer, the inboard layer of concrete that adopts.
4. a kind of cemented rock according to claim 1 and concrete combined type gravity retaining wall, it is characterized in that: body of wall inside is provided with the gutter of some perforation body of wall medial surfaces and lateral surface, and said gutter adopts plastic pipe or metal tube.
5. a kind of cemented rock according to claim 1 and concrete combined type gravity retaining wall is characterized in that: the gutter mouth of pipe place inboard at body of wall is provided with loaded filter, and said loaded filter covers the mouth of pipe fully, and the loaded filter below also is provided with water barrier.
6. a kind of cemented rock according to claim 1 and concrete combined type gravity retaining wall is characterized in that: the lateral surface of body of wall and medial surface adopt any one arranged in form in following three kinds of forms, that is: lateral surface is faced upward tiltedly, and medial surface is upright; Lateral surface is faced upward tiltedly, and medial surface is bowed tiltedly; Lateral surface is upright, and medial surface is bowed tiltedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200106873U CN202380481U (en) | 2012-01-11 | 2012-01-11 | Slurry building block stone and concrete combined gravity retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200106873U CN202380481U (en) | 2012-01-11 | 2012-01-11 | Slurry building block stone and concrete combined gravity retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202380481U true CN202380481U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200106873U Expired - Fee Related CN202380481U (en) | 2012-01-11 | 2012-01-11 | Slurry building block stone and concrete combined gravity retaining wall |
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| CN (1) | CN202380481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535511A (en) * | 2012-01-11 | 2012-07-04 | 重庆大学 | Grouted rubble and concrete combined gravity retaining wall |
| CN102852160A (en) * | 2012-10-06 | 2013-01-02 | 朱维伟 | Composite-structured retaining wall for artistic wall painting and construction method thereof |
-
2012
- 2012-01-11 CN CN2012200106873U patent/CN202380481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535511A (en) * | 2012-01-11 | 2012-07-04 | 重庆大学 | Grouted rubble and concrete combined gravity retaining wall |
| CN102852160A (en) * | 2012-10-06 | 2013-01-02 | 朱维伟 | Composite-structured retaining wall for artistic wall painting and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20150111 |
|
| EXPY | Termination of patent right or utility model |