CN102677695A - Mutually-embedded ecological building block retaining wall and construction method thereof - Google Patents

Mutually-embedded ecological building block retaining wall and construction method thereof Download PDF

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Publication number
CN102677695A
CN102677695A CN2012101577074A CN201210157707A CN102677695A CN 102677695 A CN102677695 A CN 102677695A CN 2012101577074 A CN2012101577074 A CN 2012101577074A CN 201210157707 A CN201210157707 A CN 201210157707A CN 102677695 A CN102677695 A CN 102677695A
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China
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building block
retaining
block
groove
projection
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CN2012101577074A
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Chinese (zh)
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CN102677695B (en
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王保田
王培清
张海霞
张福海
张文慧
李守德
郭帅杰
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河海大学
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Abstract

The invention provides a mutually-embedded ecological building block retaining wall and a construction method thereof, and belongs to the field of buildings. The mutually-embedded ecological building block retaining wall is formed by two or more than two layers of mutually embedded ecological building blocks which are arranged transversely side by side and stacked upwards; each of the mutually embedded ecological building blocks has a front surface of the building block and a back surface of the building block which are parallel to each other; a hole is formed in the middle part of the building block; a groove is formed on the top part of the building block; the front surface of the groove and the back surface of the groove are respectively parallel to the front surface of the building block and the back surface of the building block; a bump is arranged on the bottom part of the building block; the groove is matched with the bump in size; and the bump of the building block on the upper layer is embedded into the groove of the building block on the lower layer. The construction method comprises the following steps of: placing a building block on a construction foundation to serve as a first layer; placing a building block on the first layer building block to serve as a second layer, wherein the bump on the bottom part of the second layer building block is completely embedded into the groove of the first layer building block; and repeatedly placing the building blocks to a designed height. Grass-like vegetation and vine-like plants can be grown in openings of the building blocks and gaps among the building blocks, so that a good ecological effect is achieved.

Description

A kind of inter-embedding type ecological block retaining wall and job practices thereof
Technical field
What the present invention relates to is a kind of inter-embedding type ecological block retaining wall and job practices thereof, belongs to building field.
Background technology
Retaining wall is meant that the supporting roadbed bankets, a retaining structure of natural slope, bay, navigation channel revetment, feature wall and the hillside soil body etc., prevents to banket or the structure of soil deformation unstability, and wherein gravity retaining wall is China's the most frequently used retaining wall structure at present.Traditional gravity retaining wall (like stone masonry barricade, concrete guard wall etc.) relies on the frictional force overturning or slip resistance analysis between dead load and retaining wall bottom surface and the basis to be used for keeping the stable of structure with the opposing soil pressure.Because gravity retaining wall is kept balance and stability by deadweight, therefore, volume, weight are all big, on soft foundation, build the restriction that often receives bearing capacity.Simultaneously, gravity retaining wall construction and excavation side amount is big, and material therefor is many, and operating expenses is high, and is time-consuming, and do not have the function of ecological and view, has bigger restriction in the engineerings such as soft foundation construction and navigation channel, view retaining wall.
Inter-embedding type building block retaining wall is a kind of novel soil-baffling structure that just grows 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 the ground requirement for bearing capacity; Compare with gravity retaining wall, building block retaining walls health is long-pending little, side's amount that can reduce cuts into a mountain digs stone; Block profile is attractive in appearance succinct, has ecology and landscape function.The general method that grouts that adopts of tradition building block retaining wall, construction is comparatively complicated; Existing inter-embedding type masonry form inlay positions multidigit is in the edge; Be combined to form complete inlay and groove through former and later two building blocks, and need between the building block to form the side slope of certain slope through series connection overlap joint before and after reinforcing bar, the rivet; Construction is comparatively complicated, has certain restriction in the application.
Summary of the invention
The invention provides a kind of inter-embedding type ecological block retaining wall and job practices thereof.Through changing the relative position of inter-embedding type ecological block end face groove part; Can change the inclination angle size of the outer facade of retaining wall that makes; Make outer facade inclination angle from vertically to 15 ° of scopes of vertical line angle in change arbitrarily; Enlarge the range of application of inter-embedding type retaining wall, thereby the practicality of this type barricade is greatly enhanced, can be applied to the ecoscape retaining wall.
The technical scheme that adopts is:
A kind of inter-embedding type ecological block retaining wall; It is characterized in that: laterally side by side and one on top of another the forming that make progress by two-layer above inter-embedding type ecological block; Described inter-embedding type ecological block has building block front and the building block back that is parallel to each other, and there is perforate at the middle part of building block, has groove at the building block top; The groove front is parallel with the building block back with said building block front respectively with the groove back; Be provided with projection at the building block bottom position, groove cooperates with the size of projection.Because the projection of last layer building block embeds in the groove of one deck building block down; Reach mutual embedding effect; Can not use pin or armature wire,, can guarantee that the levels building block can not produce rigidity and slide owing to formed the interlocking that is similar to gear; Increase the stability and the compatibility of deformation ability of body of wall, avoided grouting the crack problem that structure produces owing to inhomogeneous deformation.The perforate of building block middle part can reduce the apparent density of building block, and when using conventional material, apparent density is at 16.8~17.3kN/m 3, basic identical with the density of banketing, low to the ground requirement for bearing capacity, structure durability is good.
Further, the projection front of the building block of above-mentioned inter-embedding type ecological block retaining wall equates with the distance of building block back, the width of projection with distance, the projection back of building block front.Can make the stability of retaining wall better, and easy construction.
Further; The angle of the groove center of above-mentioned inter-embedding type ecological block and the line at projection center and vertical direction is 0 °~15 °; Thereby make of the requirement of its more effective adaptation site operation, thereby can construct into the retaining wall at different metopes inclination angle retaining wall outer facade inclination angle variation.
Further, the groove corner of above-mentioned inter-embedding type ecological block and/or projection corner are arc, can reduce in the building block with building block in the problem of stress concentration of reinforcement body, improved the intensity of building block soil-baffling structure; When needs are installed the reinforcement GSZ in building block, can give full play to the tensile property of reinforcement GSZ.
Further, the perforate in the above-mentioned building block is an arc limit square hole, and the left side of perforate and the right side are arc.
Further, the building block left side and the building block right side are arcwall face.After barricade is built completion by laying bricks or stones, can grow in building block perforate and the building block gap grass type vegetation, climing vine plant, when being used for River Embankment as if barricade, minitype aquatic animal can find the institute of perching in hole, have good ecological effect.The front and back of blockhouse overlap joint and smooth transition when arcwall face can guarantee effectively that retaining wall turns to.
Further, above-mentioned inter-embedding type ecological block retaining wall comprises one deck reinforcement GSZ at least, and described reinforcement GSZ one end is clipped in two-layer building block division surface and stretches out the wall front of retaining wall, and the other end stretches out the wall back side of retaining wall.
The present invention also provides a kind of job practices of above-mentioned inter-embedding type ecological block retaining wall, may further comprise the steps:
(1) building block is placed on the construction basis, as first floor.
(2) in the building block of above-mentioned first floor, place building block, as the second layer, the projection of the building block of second layer bottom is embedded in the groove of first floor building block fully.
(3) repeating step 2, and retaining wall is constructed to design height.
Further, also comprise in the above-mentioned step 2: in the adjacent two layers building block, lay the reinforcement GSZ; Reinforcement GSZ one end is clipped in two-layer building block division surface and stretches out the wall front of retaining wall; The other end stretches out the wall back side of retaining wall, insert banket after, can stay in banketing.The technique effect that is reached is: with reinforcement geotechnique grid pressure go into between the aspect of concave-convex clutch to increase snap-in force.
In sum, inter-embedding type ecological block retaining wall provided by the invention and job practices thereof have following technique effect:
1. the building block middle part perforate used of inter-embedding type ecological block retaining wall can reduce the apparent density of building block, reduces the requirement of ground soil bearing capacity.
2. when building block being used to build up retaining wall, the projection of last layer building block embeds in the groove of one deck building block down, to reach mutual embedding effect, can not use pin or armature wire.
3. the grass class of can growing in building block perforate and building block gap vegetation, climing vine plant, when being used for River Embankment as if barricade, minitype aquatic animal can find the institute of perching in hole, have good ecological effect.
4. the groove corner of building block and/or projection corner are arc, can reduce in the building block with building block in the problem of stress concentration of reinforcement body, improved the intensity of building block soil-baffling structure; When needs the reinforcement GSZ is installed in building block, can be given full play to the tensile property of reinforcement material.
5. when the angle of the line at the groove center of building block and projection center and vertical direction changes in 0 °~15 °, the requirement that its more effective adaptation site operation is changed the outer facade inclination angle of retaining wall.
6. three-dimensional inter-embedding type ecological block retaining wall easy construction, quick, flexible.Three-dimensional inter-embedding type ecological block stability of retaining wall is good.Through laying reinforced earth worker grid in the soil body behind wall, soil pressure is mainly born by the reinforcement GSZ, thereby reduces the effect of soil pressure to retaining wall.The slurry material is practiced thrift in employing laid dry construction.
7. three-dimensional inter-embedding type ecological block retaining wall grout than tradition or placed rockfill retaining walls health long-pending little, side's amount that can reduce cuts into a mountain digs stone reduces engineering cost.Three-dimensional inter-embedding type ecological block retaining wall is widely used in having ecology and landscape function concurrently in the native slope protection works of retaining such as highway, railway, dyke.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a used building block vertical view.
Fig. 2 is the embodiment of the invention 1 a used building block lateral view.
Fig. 3 is the embodiment of the invention 1 a used building block assembling sketch map.
Fig. 4 is the sketch map of the embodiment of the invention 1 building block retaining wall.
Fig. 5 is the embodiment of the invention 2 used building block vertical views.
Fig. 6 is the embodiment of the invention 2 used building block lateral views.
Fig. 7 is the sketch map of the embodiment of the invention 2 building block retaining walls.
Fig. 8 is the embodiment of the invention 3 used building block vertical views.
Fig. 9 is the embodiment of the invention 3 used building block lateral views.
Figure 10 is the sketch map of the embodiment of the invention 3 building block retaining walls.
Figure 11 is the embodiment of the invention 4 building block vertical views.
Figure 12 is the embodiment of the invention 4 building block lateral views.
Figure 13 is the sketch map of the embodiment of the invention 4 building block retaining walls.
Figure 14 is the prefabricated sketch map of the used building block of retaining wall of the present invention.
The 1st, building block; The 2nd, perforate; The 3rd, groove; The 4th, projection; The 5th, the projection front; The 6th, the projection back; The 7th, the groove front; The 8th, the groove back; The 9th, the building block front; The 10th, the building block back; The 11st, the groove corner; The 12nd, the projection corner; The 13rd, the building block left side; The 14th, the building block right side; The 15th, retaining wall; The 16th, banket; The 17th, the reinforcement GSZ.
The specific embodiment
A represents the width of projection 4 in following examples, and b represents the distance of groove front 7 to building block front 9, and c represents the distance of groove back 8 to building block back 10, and h represents the height of building block.
In conjunction with accompanying drawing inter-embedding type ecological block retaining wall and job practices thereof are described further.
Embodiment 1: a kind of building block retaining wall and job practices thereof
The used building block 1 of a kind of building block retaining wall as depicted in figs. 1 and 2, that present embodiment provides comprises the building block front 9 and building block back 10 that are parallel to each other, and there is perforate 2 at the middle part of building block 1, the groove 3 that has at building block 1 top; Groove front 7 is parallel with building block back 10 with above-mentioned building block front 9 respectively with groove back 8; Be provided with projection 4 at building block 1 bottom position, groove 3 cooperates with the size of projection 4; Projection 4 is positioned at building block 1 bottom central, and the width of projection 4, projection front 5 to building block front 9 distances, projection back 6 to building block back 10 distances all equate; Groove corner 11 is an arc with projection corner 12; Above-mentioned perforate 2 is an arc limit square hole, and the left side of perforate 2 and the right side are cambered surface; The building block left side 13 is an arcwall face with the building block right side 14.In the present embodiment, a=100mm, b=140.3mm, c=59.7mm, h=150mm, b/c=2.35, the line at above-mentioned groove 3 centers and projection 4 centers and the angle of vertical direction are 15 °.
The method of above-mentioned inter-embedding type ecological block construction retaining wall is an example with the eleventh floor building block.
Accompanying drawing 3 is with shown in Figure 4, in order to reach the purpose that becomes the inclination angle, because b/c ≠ 1, thereby can construct into the retaining wall at different metopes inclination angle.
At first four A of first floor, B, C, D building block are positioned on the basis, then second layer A ', B ', C ' building block 1 are positioned on first floor A, B, C, the D building block.During placement, bottom, A ' building block 1 right side of second layer projection 4 is embedded in the groove 3 of first floor B building block left side end face fully; Bottom, B ' building block 1 right side projection 4 with the second layer embeds in the groove 3 of first floor C building block left side end face fully again; Bottom, C ' building block 1 right side projection 4 with the second layer embeds in the groove 3 of first floor D building block left side end face fully at last, carries out fill construction at last, so far accomplishes the first floor fill construction.After the first floor fill construction finishes, in second layer A ', B ', C ' building block ... On place the 3rd layer, the 4th layer building block; Between the 3rd layer, the 4th layer building block, lay GSZ 17, reinforcement GSZ 17 should extend into from two-layer building block division surface and build wall locations by laying bricks or stones, reinforcement GSZ 17 is pressed between the aspect of concave-convex clutch to increase snap-in force.The rest may be inferred, until fill construction to design height.The retaining wall that makes is as shown in Figure 4, and the wall face inclination angle is 15 °.
Embodiment 2: a kind of building block retaining wall and job practices thereof
Like Fig. 5 and shown in Figure 6, the used building block 1 of a kind of building block retaining wall that present embodiment provides comprises the building block front 9 and building block back 10 that are parallel to each other, and there is perforate 2 at the middle part of building block 1, the groove 3 that has at building block 1 top; Groove front 7 is parallel with building block back 10 with above-mentioned building block front 9 respectively with groove back 8; Be provided with projection 4 at building block 1 bottom position, groove 3 cooperates with the size of projection 4; Projection 4 is positioned at building block 1 bottom central, and the width of projection 4, projection front 5 to building block front 9 distances, projection back 6 to building block back 10 distances all equate; Groove corner 11 is an arc with projection corner 12; Above-mentioned perforate 2 is an arc limit square hole, and the left side of perforate 2 and the right side are cambered surface; The building block left side 13 is an arcwall face with the building block right side 14.In the present embodiment, a=100mm, b=130mm, c=70mm, h=150mm, b/c=1.86, the line at above-mentioned groove 3 centers and projection 4 centers and the angle of vertical direction are 11.3 °.
Adopting the method for above-mentioned inter-embedding type ecological block construction retaining wall, is example with the eleventh floor building block.
Shown in the accompanying drawing 7, in order to reach the purpose that becomes the inclination angle, because b/c ≠ 1, thereby can construct into the retaining wall at different metopes inclination angle.When building by laying bricks or stones; At first the first floor building block being positioned on the basis, when being positioned over second layer building block in the first floor building block then, mainly is that the projection 4 with second layer building block bottom is embedded in the groove 3 of first floor building block fully; Behind barricade, banket then, accomplish the construction of first floor.According to second layer job practices, carry out the 3rd layer, the 4th layer ... Construction; Between the 3rd layer, the 4th layer building block, lay reinforcement GSZ 17; When laying reinforcement GSZ 17; Reinforcement GSZ 17 should extend into from two-layer building block division surface and build wall locations by laying bricks or stones, reinforcement GSZ 17 is pressed between the aspect of concave-convex clutch to increase snap-in force.The rest may be inferred, until fill construction to design height.The wall face inclination angle of the retaining wall that makes is 11.3 °.
Embodiment 3: a kind of building block retaining wall and job practices thereof
The used building block 1 of a kind of building block retaining wall that Fig. 8 and shown in Figure 9, present embodiment provide comprises the building block front 9 and building block back 10 that are parallel to each other, and there is perforate 2 at the middle part of building block 1, the groove 3 that has at building block 1 top; Groove front 7 is parallel with building block back 10 with above-mentioned building block front 9 respectively with groove back 8; Be provided with projection 4 at building block 1 bottom position, groove 3 cooperates with the size of projection 4; Projection 4 is positioned at building block 1 bottom central, and the width of projection 4, projection front 5 to building block front 9 distances, projection back 6 to building block back 10 distances all equate; Groove corner 11 is an arc with projection corner 12; Above-mentioned perforate 2 is an arc limit square hole, and the left side of perforate 2 and the right side are cambered surface; The building block left side 13 is an arcwall face with the building block right side 14.In the present embodiment, a=100mm, b=120mm, c=80mm, h=150mm, b/c=1.5, the line at above-mentioned groove 3 centers and projection 4 centers and the angle of vertical direction are 7.6 °.
Adopting the method for above-mentioned inter-embedding type ecological block construction retaining wall, is example with the eleventh floor building block.
Shown in the accompanying drawing 10, in order to reach the purpose that becomes the inclination angle, because b/c ≠ 1, thereby can construct into the retaining wall at different metopes inclination angle.When building by laying bricks or stones; At first the first floor building block being positioned on the basis, when being positioned over second layer building block in the first floor building block then, mainly is that the projection 4 with second layer building block bottom is embedded in the groove 3 of first floor building block fully; Behind barricade, banket then, accomplish the construction of first floor.According to second layer job practices, carry out the 3rd layer, the 4th layer ... Construction; Between the 3rd layer, the 4th layer building block, lay reinforcement GSZ 17; When laying reinforcement GSZ 17; Reinforcement GSZ 17 should extend into from two-layer building block division surface and build wall locations by laying bricks or stones, reinforcement GSZ 17 is pressed between the aspect of concave-convex clutch to increase snap-in force.The rest may be inferred, and to design height, the wall face inclination angle of the retaining wall that makes is 7.6 ° until fill construction.
Embodiment 4: a kind of building block retaining wall and job practices thereof
Like Figure 11 and shown in Figure 12, the used building block 1 of a kind of building block retaining wall that present embodiment provides comprises the building block front 9 and building block back 10 that are parallel to each other, and there is perforate 2 at the middle part of building block 1, the groove 3 that has at building block 1 top; Groove front 7 is parallel with building block back 10 with building block front 9 respectively with groove back 8; Be provided with projection 4 at building block 1 bottom position, groove 3 cooperates with the size of projection 4; Projection 4 is positioned at building block 1 bottom central, and the width of projection 4, projection front 5 to building block front 9 distances, projection back 6 to building block back 10 distances all equate; When building block size a=b=c, the line at groove 3 centers and projection 4 centers and the angle of vertical direction are 0 °.
Adopting the method for above-mentioned inter-embedding type ecological block construction retaining wall, is example with the eleventh floor building block.
Shown in the accompanying drawing 13, when building block size a=b=c, can build into outer facade by laying bricks or stones vertical form.When building by laying bricks or stones; At first the first floor building block being positioned on the basis, when being positioned over second layer building block in the first floor building block then, mainly is that the projection 4 with second layer building block bottom is embedded in the groove 3 of first floor building block fully; Behind barricade, banket then, accomplish the construction of first floor.According to second layer job practices, carry out the 3rd layer, the 4th layer ... Construction; Between the 3rd layer, the 4th layer building block, lay reinforcement GSZ 17; When laying reinforcement GSZ 17; Reinforcement GSZ 17 should extend into from two-layer building block division surface and build wall locations by laying bricks or stones, reinforcement GSZ 17 is pressed between the aspect of concave-convex clutch to increase snap-in force.The rest may be inferred, and to design height, the wall face inclination angle of the retaining wall that makes is 0 ° until fill construction.
The prefabricated sketch map of the employed building block of embodiment 5 inter-embedding type ecological block retaining walls provided by the invention
Like Figure 14; The prefabricated process of building block 1 is following: the C25 fine concrete that stirs is inserted in the ready made mould; The compacting of on machine, vibrating is released building block to the density that meets the requirements from mould; The building block form with perforate 2 and groove 3 and projection 4 of formation shown in accompanying drawing 14 forms the building block splitting building block form that directly is used for site operation with the splitting machine by the I ' line in the accompanying drawing 14 then.This splitting technology makes building block front 9 and building block back 10 form coarse granite configuration of surface, makes the building block soil-baffling structure have good landscape effect.

Claims (9)

1. inter-embedding type ecological block retaining wall; It is characterized in that: laterally side by side and one on top of another the forming that make progress by two-layer above inter-embedding type ecological block; Described inter-embedding type ecological block has building block front (9) and the building block back (10) that is parallel to each other; There is perforate (2) at the middle part of building block (1), has groove (3) at the building block top; Groove front (7) is parallel with building block back (10) with said building block front (9) respectively with groove back (8); Be provided with projection (4) at the building block bottom position, groove (3) cooperates with the size of projection (4).
2. inter-embedding type ecological block retaining wall according to claim 1 is characterized in that: the projection front (5) of described inter-embedding type ecological block equates with the distance of building block back (10), the width of projection (4) with the distance of building block front (9), projection back (6).
3. inter-embedding type ecological block retaining wall according to claim 1 is characterized in that: the line at said groove (3) center and projection (4) center and the angle of vertical direction are 0 °~15 °.
4. inter-embedding type ecological block retaining wall according to claim 1 is characterized in that: groove corner (11) in the said building block and/or projection corner (12) are arc.
5. inter-embedding type ecological block retaining wall according to claim 1 is characterized in that: the perforate in the said building block (2) is an arc limit square hole, and face is a cambered surface about perforate (2).
6. inter-embedding type ecological block retaining wall according to claim 1 is characterized in that: the building block left side (13) and the building block right side (14) are arcwall face.
7. inter-embedding type ecological block retaining wall according to claim 1; It is characterized in that: comprise one deck reinforcement GSZ (17) at least; Described reinforcement GSZ (17) one ends are clipped in two-layer building block division surface and stretch out the wall front of retaining wall (15), and the other end stretches out the wall back side of retaining wall (15).
8. the job practices of each described inter-embedding type ecological block retaining wall of claim 1~6 may further comprise the steps:
A. building block is placed on the construction basis, as first floor;
B. in the building block of said first floor, place building block, as the second layer, the projection (4) of the building block of second layer bottom is embedded in the groove (3) of first floor building block fully;
C. repeating step b constructs retaining wall (15) to design height.
9. the job practices of inter-embedding type ecological block retaining wall according to claim 8; It is characterized in that: also be included among the described step b in the adjacent two layers building block; Lay reinforcement GSZ (17); Reinforcement GSZ (17) one ends are clipped in two-layer building block division surface and stretch out in the wall front of retaining wall (15), and the other end stretches out the wall back side of retaining wall (15).
CN201210157707.4A 2012-05-18 2012-05-18 Mutually-embedded ecological building block retaining wall and construction method thereof Active CN102677695B (en)

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CN102995657A (en) * 2012-12-05 2013-03-27 河海大学 Ecological retaining wall with embedded building blocks and construction method of retaining wall
CN103572778A (en) * 2013-10-25 2014-02-12 河海大学 Rope fixture type shearing resisting, dip angle changing and mutual inlaying barricade block and rope fixing method
CN103711144A (en) * 2013-10-25 2014-04-09 河海大学 Alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and construction method for mutually-embedded retaining wall
CN103806466A (en) * 2014-03-17 2014-05-21 重庆芳兰科技有限公司 Modular cross-wall structure for civil work
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