CN103711144A - Alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and construction method for mutually-embedded retaining wall - Google Patents
Alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and construction method for mutually-embedded retaining wall Download PDFInfo
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Abstract
The invention relates to an alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and a construction method for a mutually-embedded retaining wall, and belongs to the fields of civil engineering, traffic and marine traffic engineering and municipal engineering. The alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block comprises a block body, end faces of two sides of the block body are convex arc shaped, a semicircular long through hole is formed in the middle of the block body, a concave rear edge is arranged on the upper portion of one end of the block body, and a convex rear edge mutually embedded with the concave rear edge can be arranged on the lower portion of one end of the block body. By the alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and the construction method for the mutually-embedded retaining wall, the convex-arc-shaped end faces are arranged on the left and right side of the standard floor block, the hole is formed in the middle of the block, after the retaining wall is constructed, the block holes and block clearances can be grown with grass vegetation and vine plants and even become nests of birds and the like, if the ecological block retaining wall is used as a river embankment, small aquatic animals can find habitats in the holes, and accordingly ecological value is high.
Description
Technical field
What the present invention relates to is the construction method that alkali resistant greening becomes the mutual embedding retaining wall block of inclination angle type and mutual embedding barricade, belongs to civil engineering, traffic marine traffic engineering, municipal engineering field.
Background technology
Retaining wall refers to anchor alongside the shore in supporting natural slope, Roadbed Soil, bay, navigation channel, the sustaining retaining structure of feature wall and the hillside soil body etc.; mainly play and prevent from banketing or soil deformation unstability; maintain the effect of its structure of protecting, wherein gravity retaining wall is China's the most frequently used retaining wall structure at present.Traditional gravity retaining wall (as stone masonry barricade, concrete guard wall etc.) relies on frictional force overturning or slip resistance analysis and the opposing soil pressure between dead load and retaining wall bottom surface and basis to be used for keeping the stable of structure.Because gravity retaining wall increases lateral resistance effect by deadweight, so gravity retaining wall volume weight is all larger, high to the requirement for bearing capacity of ground, builds the restriction that gravity retaining wall is often subject to bearing capacity of foundation soil on soft foundation.In Specific construction, gravity retaining wall construction and excavation side amount is large, and building materials used is many, operating expenses is higher, time-consuming, and ecological and landscape function is poor, thereby gravity retaining wall larger application restric-tion of existence in the concrete engineerings such as soft foundation construction and navigation channel, view retaining wall.
Interlaid type building block retaining wall is a kind of novel soil-baffling structure just growing up the nearly more than ten years, because the apparent density of building block is 16.8～17.3kN/m
3, basic identical with the density of banketing, lower to ground requirement for bearing capacity; Compare with gravity retaining wall, Retaining Walls of Hollow Concrete Blocks wall health is long-pending little, and by ordinary concrete, building that mould is prefabricated can mass production, and product quality is easy to guarantee, block profile is attractive in appearance, has ecology and landscape function concurrently.The general method that grouts that adopts of tradition Retaining Walls of Hollow Concrete Blocks, construction is comparatively complicated, and it is very large on masonry structure impact to grout the strength of materials; Existing its inlay positions multidigit of inter-embedding type masonry form is in edge, by former and later two building blocks, be combined to form complete inlay and groove, and between building block, need to be connected in series and to form upright side slope by reinforcing bar, rivet, construction is comparatively complicated, in concrete application, due to the corrosion of reinforcing bar and pin, still there is the endurance issues of block wall, as in bad repair, very easily cause the safety issue of barricade, thereby have certain restriction in application.Because building block adopts concreting, As time goes on, its alkalization effect highlights, and makes the aobvious alkalescence of banketing of building block surrounding soil and Qi Nei, is unfavorable for the growth of block wall surface layer vegetation, ecological effect variation.
Summary of the invention
A kind of alkali resistant greening that the present invention is directed to above-mentioned deficiency provides becomes the construction method of the mutual embedding retaining wall block of inclination angle type and mutual embedding barricade.
The present invention adopts following technical scheme:
Alkali resistant greening of the present invention becomes the mutual embedding retaining wall block of inclination angle type, comprises building block; Described building block both sides end face becomes convex, and semicircle elongated hole is offered at middle part, and the top of one end of building block arranges concave volume trailing edge, the bottom of building block one end arrange can with the convex body trailing edge of the mutual embedding of concave volume trailing edge.
Alkali resistant of the present invention greening becomes the mutual embedding retaining wall block of inclination angle type, described smears one deck alkali resistant priming paint in building block half hole.
Alkali resistant greening of the present invention becomes the mutual embedding retaining wall block of inclination angle type, and described alkali resistant priming paint is acid AA emulsion.
Alkali resistant greening of the present invention becomes the mutual embedding retaining wall block of inclination angle type, and the convex body trailing edge of building block and the surface of convex body trailing edge adopt rounding smooth surface, and building block trailing edge all adopts rounding smooth surface.
Alkali resistant greening of the present invention becomes the mutual embedding retaining wall block of inclination angle type, in the elongated hole of described semicircle, is provided with ecology bag.
The greening of alkali resistant in the present invention described in any one becomes the mutual embedding barricade that the mutual embedding retaining wall block of inclination angle type is made, described in banket and form wall body, wall body outside is mutually piled to build by building block and is formed the outer facade of wall, the top road surface pavement of facade outside wall body and wall.
The alkali resistant greening of stating of the present invention becomes the construction method of the mutual embedding barricade of inclination angle type, and the described outer facade of barricade inclination angle is 75 ° ~ 90 °.
Alkali resistant greening of the present invention becomes the preparation method of the mutual embedding retaining wall block of inclination angle type, and step is as follows:
The first step: ready-mixed concrete is inserted in ready made mould, and the compacting of vibrating is released building block to the density that meets the requirements from mould, forms building block basic model;
Second step: the inner surface of building block basic model is smeared one deck alkali resistant priming paint;
The 3rd step: in work progress, build what a (or one deck) building block by laying bricks or stones and be just placed on building block semicircle and dig out part shifting to an earlier date the prefabricated ecology bag that bankets.
Alkali resistant greening of the present invention becomes the construction method of the mutual embedding barricade of inclination angle type, and step is as follows:
1), smooth location reaches and meets the demands;
2), according to barricade baseline, build bottom building block by laying bricks or stones;
3), build the building block of first floor typical floor by laying bricks or stones, by its rear lower convex body trailing edge embedding bottom building block upper back concave volume trailing edge;
4), after first floor building block laid, while laying the building block of second layer typical floor, its rear lower convex body trailing edge is embedded in the concave volume trailing edge of first floor typical floor building block upper back, between levels, adopt fissure of displacement masonry way;
5), according to the mode of step 4), progressively complete the construction that typical floor is built by laying bricks or stones;
6), after typical floor built by laying bricks or stones, carry out top layer building block laying, its rear lower convex body trailing edge is embedded in its lower typical floor building block upper back concave volume trailing edge, finally complete upright retaining wall building process.
beneficial effect
Alkali resistant greening provided by the invention becomes the construction method of the mutual embedding retaining wall block of inclination angle type and mutual embedding barricade, the typical floor building block left and right sides is convex end face, there is hole at middle part, after barricade has been built by laying bricks or stones, in building block hole and building block gap, all can grow careless class vegetation, climing vine plant, even become the biological nest nests such as birds, if ecological block retaining wall is during for River Embankment, minitype aquatic animal can find the institute of perching in hole, has the good ecological value.
The elongated hole of typical floor building block middle part open semicircle shape, building block apparent density is 16.9kN/m
3left and right, can effectively reduce retaining wall and build by laying bricks or stones the requirement of ground soil bearing capacity.
The corner of the concavo-convex space body of building block part is made two rounding smooth surfaces, can effectively reduce between building block and building block in the problem of stress concentration of the reinforcement that is laid, improved the Strength and stability of surface layer building block soil-baffling structure.
For guaranteeing safety and the stability of barricade top layer, when designing corresponding top layer building block and bottom building block, adopt rectangle plane form, take suitable length (can be identical with building block length also can than longer), the concavo-convex space body of tabling is with it set, construct relatively simply, do not elaborate.
Block profile is attractive in appearance succinct, because building block is full symmetric structure, can adopt once prefabricated two building blocks to dissect mode again and accelerate building block manufacturing speed, is convenient to plant produced prefabricated.Retaining wall is simple and convenient, can effectively shorten the Retaining wall cycle.Meanwhile, building block is reusable, saves material, reduces construction costs.
Accompanying drawing explanation
Accompanying drawing 1 is each major part schematic diagram of building block;
Accompanying drawing 1a is the building block side structure schematic diagram of Fig. 1;
Accompanying drawing 2 is building block surface layer barricade section design sketch;
In figure, 1 is concrete block, the 2nd, and rear lower convex body trailing edge, the 3rd, upper back concave volume trailing edge, the 4th, alkali resistant priming paint, the 5th, ecology bag, the 7th, road surface, the 8th, banket, h is building block height, and d is building block lower lobes trailing edge width, and D is building block width.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in more detail:
As shown in the figure: alkali resistant greening becomes the mutual embedding retaining wall block of inclination angle type, there are typical floor building block, top layer building block and three kinds of form of structure of bottom building block in this building block, typical floor building block left and right end face is convex, and block is concrete material, and adopt mould one-time-concreting complete, the elongated hole of middle part open semicircle shape.Building block upper back arranges concave volume trailing edge, the setting of building block rear lower can with the convex body trailing edge of the mutual embedding of concave volume trailing edge, and the concavo-convex body rear edge surface of building block adopts rounding smooth surface.In building block half hole and smear the alkali resistant priming paint that one deck can reduce concrete alkalescence (the acid AA emulsion of high-quality) below.
Typical floor building block left and right end face is convex, and block is concrete material, and adopts mould one-time-concreting complete, and the elongated hole of middle part open semicircle shape, is convenient to ecology bag to fill in it, and planting plants forms green ecological effect.
At building block semicircle hole inner surface, smear the alkali resistant priming paint (the acid AA emulsion of high-quality) that one deck can reduce concrete alkalescence; this paint has superpower permeability, splendid adhesive power; remarkable alkali resistance, the erosion that can resist sealing ground alkalescence, water resistant mud degradability; anti-carbonization, anti-efflorescence; excellent water resistance, prevents that moisture content from penetrating wall, performance mildew-resistant algae-resistant airing function; protection finish paint is for a long time long new, health environment-friendly.
The greening of typical floor alkali resistant becomes the mutual embedding retaining wall block of inclination angle type rear lower the concavo-convex body rear edge surface employing of convex body trailing edge and upper back rounding smooth surface is set, and building block trailing edge all adopts rounding smooth surface, make the mutual embedding effect of building block and the reinforcement of interface laying avoid stress concentration phenomenon, reduce the damage to building block and the grid of laying.By change, change building block rear lower convex body trailing edge apart from distance d and building block width D and the height h at the building block back side, build the Ecological Retaining Wall of inclination angle (barricade face and the horizontal plane angle) that adapt when constructing by laying bricks or stones, the outer facade of barricade inclination angle can be changed arbitrarily within the scope of 75 ° ~ 90 °.It is arcuate structure that the greening of this alkali resistant becomes the mutual embedding retaining wall block of inclination angle type left and right sides, is convenient to lagging edge length of grade and to direction, changes flexibly barricade and build direction by laying bricks or stones.
Novel alkali resistant greening becomes the mutual embedding retaining wall block of inclination angle type and mainly comprises typical floor building block and top layer building block and bottom building block, and typical floor building block is main body, and its prefabricated process is as follows:
(1) the C25 fine concrete being stirred is inserted in ready made mould, (mould is selected mainly according to natural slope slope change situation, the requirement of block faces inclination layer size and determine), the compacting of vibrating on machine is released building block to the density that meets the requirements from mould, forms respectively building block basic model as shown in Figure 1;
(2) at the inner surface of building block basic model, smear one deck alkali resistant priming paint;
(3), in work progress, build what a (or one deck) building block by laying bricks or stones and just by shifting to an earlier date the prefabricated ecology bag that bankets, be placed on building block semicircle and dig out part.
The construction method that novel alkali resistant greening becomes the mutual embedding block wall of inclination angle type is as follows:
(1) smooth location reaches meet the demands (can do suitable compacting to prevent differential settlement);
(2) according to barricade baseline, build bottom building block by laying bricks or stones;
(3) build the building block of first floor typical floor by laying bricks or stones, its rear lower convex body trailing edge 2 is embedded in the concave volume trailing edge of bottom building block upper back;
(4) after first floor building block has been laid, while laying the building block of second layer typical floor, its rear lower convex body trailing edge 2 is embedded in first floor typical floor building block upper back concave volume trailing edge 3, between levels, adopt fissure of displacement masonry way, complete in this way the construction of second layer typical floor.In this manner, complete typical floor building construction process;
(5) after typical floor has been built by laying bricks or stones, carry out top layer building block laying, its rear lower convex body trailing edge is embedded in its lower typical floor building block upper back concave volume trailing edge to the upright retaining wall building process finally completing.
In building process, by changing distance d and building block width D and the height h of building block rear lower convex space body slot pitch building block front and rear edge, build the Ecological Retaining Wall at the inclination angle that adapts with it by laying bricks or stones, the outer facade of barricade inclination angle can be changed arbitrarily within the scope of 75 ° ~ 90 °; D, D, h change with barricade change of pitch angle rule as table 1; H building block height, d building block lower lobes trailing edge width, D building block width.
It is arcuate structure that this alkali resistant greening becomes the mutual embedding retaining wall block of the inclination angle type left and right sides, for side slope corner, can utilize the building block left and right sides is that different subtended angles between convex end face are arranged and are achieved, and further effectively improves the applicability of retaining wall structure to natural slope.
table 1 d, D, h change with barricade change of pitch angle rule as table 1
| d/mm | D/mm | h/mm | Barricade inclination angle/° |
| 75 | 300 | 150 | 90 |
| 85 | 300 | 150 | 86.16 |
| 95 | 300 | 150 | 82.41 |
| 105 | 300 | 150 | 78.69 |
| 115 | 300 | 150 | 75.07 |
Claims (9)
1. alkali resistant greening becomes the mutual embedding retaining wall block of inclination angle type, it is characterized in that: comprise building block (1); Described building block (1) both sides end face becomes convex, and semicircle elongated hole (4) is offered at middle part, and the top of one end of building block (1) arranges concave volume trailing edge (3), the bottom of building block one end arrange can with the convex body trailing edge (2) of the mutual embedding of concave volume trailing edge.
2. alkali resistant according to claim 1 greening becomes the mutual embedding retaining wall block of inclination angle type, it is characterized in that: described one deck alkali resistant priming paint of smearing in (4) in building block half hole.
3. alkali resistant greening according to claim 2 becomes the mutual embedding retaining wall block of inclination angle type, it is characterized in that: described alkali resistant priming paint is acid AA emulsion.
4. alkali resistant greening according to claim 1 becomes the mutual embedding retaining wall block of inclination angle type, it is characterized in that: the convex body trailing edge (2) of building block (1) and the surface of convex body trailing edge (3) adopt rounding smooth surface, and building block trailing edge all adopts rounding smooth surface.
5. alkali resistant greening according to claim 1 becomes the mutual embedding retaining wall block of inclination angle type, it is characterized in that: in the elongated hole of described semicircle (4), be provided with ecology bag (5).
6. utilize the greening of the alkali resistant described in any one in claim 1 to 5 to become the mutual embedding barricade that the mutual embedding retaining wall block of inclination angle type is made, it is characterized in that: described in banket (8) form wall body, wall body outside forms the outer facade of wall, the top road surface pavement (7) of the outer facade of wall body and wall in heap base mutually by building block (1).
7. the alkali resistant greening of stating according to claim 6 becomes the construction method of the mutual embedding barricade of inclination angle type, it is characterized in that: the described outer facade of barricade inclination angle is 75 ° ~ 90 °.
8. alkali resistant greening as claimed in claim 1 becomes the preparation method of the mutual embedding retaining wall block of inclination angle type, it is characterized in that: step is as follows:
The first step: ready-mixed concrete is inserted in ready made mould, and the compacting of vibrating is released building block to the density that meets the requirements from mould, forms building block basic model;
Second step: the inner surface of building block basic model is smeared one deck alkali resistant priming paint;
The 3rd step: in work progress, build what a (or one deck) building block by laying bricks or stones and be just placed on building block semicircle and dig out part shifting to an earlier date the prefabricated ecology bag that bankets.
9. alkali resistant greening as claimed in claim 6 becomes the construction method of the mutual embedding barricade of inclination angle type, it is characterized in that: step is as follows:
1), smooth location reaches and meets the demands;
2), according to barricade baseline, build bottom building block by laying bricks or stones;
3), build the building block of first floor typical floor by laying bricks or stones, by its rear lower convex body trailing edge embedding bottom building block upper back concave volume trailing edge;
4), after first floor building block laid, while laying the building block of second layer typical floor, its rear lower convex body trailing edge is embedded in the concave volume trailing edge of first floor typical floor building block upper back, between levels, adopt fissure of displacement masonry way;
5), according to the mode of step 4), progressively complete the construction that typical floor is built by laying bricks or stones;
6), after typical floor built by laying bricks or stones, carry out top layer building block laying, its rear lower convex body trailing edge is embedded in its lower typical floor building block upper back concave volume trailing edge, finally complete upright retaining wall building process.
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Cited By (2)
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| CN106759110A (en) * | 2017-03-17 | 2017-05-31 | 俞宗邑 | The barricade and the construction method of barricade of a kind of three-dimensional six faces through hole planting and growing block and its composition |
| CN111778798A (en) * | 2020-07-20 | 2020-10-16 | 中国二十冶集团有限公司 | Roadbed construction method |
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Effective date of registration: 20210219 Address after: 210022 5th floor, suyao building, 136 honghuacun Road, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: NANJING WATER PLANNING AND DESIGNING INSTITUTE Co.,Ltd. Address before: 211000 No. 8 West Buddha Road, Jiangning Development Zone, Jiangsu, Nanjing, China Patentee before: HOHAI University |