CN102277874A - Assembled retaining wall and construction method thereof - Google Patents
Assembled retaining wall and construction method thereof Download PDFInfo
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- CN102277874A CN102277874A CN2011101089625A CN201110108962A CN102277874A CN 102277874 A CN102277874 A CN 102277874A CN 2011101089625 A CN2011101089625 A CN 2011101089625A CN 201110108962 A CN201110108962 A CN 201110108962A CN 102277874 A CN102277874 A CN 102277874A
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Abstract
The invention discloses an assembled retaining wall and a construction method thereof. The retaining wall comprises a retaining wall base and a retaining wall body arranged on the retaining wall base, wherein a plurality of prefabricated reinforced concrete rectangular box bodies are connected with one another longitudinally and transversely and in single-row distribution along a length direction of the retaining wall so as to form the retaining wall body; and the top face of each of the rectangular box bodies is opened and the other five faces are closed, and soil bodies are filled into the rectangular box body. Compared with the prior art, by using the quick assembly characteristic of the rectangular box bodies, the rectangular box bodies can be premade in a place away from the retaining wall during construction of the retaining wall base, so that the construction period and the exposing time of excavated side slopes can be shortened and secondary disasters such as landslide, collapse and the like caused by the excavated side slopes can be avoided, and the influence of the spot of the retaining wall on the peripheral environment can be reduced; moreover, the foundation and soil bodies formed by excavation of the side slopes or soil bodies in places near to the side slopes can be directly filled in the rectangular box bodies; therefore, the problem of transportation of a large quantity of construction materials can be solved.
Description
Technical field
The present invention relates to a kind of side slope protection technology, particularly relate to a kind of assembly type retaining wall and job practices thereof of assembling fast based on rectangular box body.
Background technology
Retaining wall is common a kind of engineering structures type during China's side slope is disposed, and extensively adopts in road slope, consolidation, hydraulic engineering channel side slopes.
At present, retaining wall mainly adopts stone masonry structure, concrete structure and reinforced concrete structure, its job practices or site operation.There are following defective in the retaining wall of existing structure and job practices thereof: the first, because foundation dredging, placing of material, concrete mix and stir etc., be easy to cause the job site environmental disruption serious; Second, limited by the construction plant, often construction period is longer, and because excavation slope is in critical stable state or metastable condition, secondary disaster such as open-assembly time is long localized landslip, avalanche often to occur, collapse, therefore need do careful planning to operation, otherwise delay appears in a certain link, then will cause whole engineering influenced; The 3rd, site operation is higher to material requirements, the general soil body that viscosity content is too high, gravel intensity is on the low side can not be used as stone masonry and concrete material, if the building stones of construction plant and near shortage stone masonry thereof and concrete aggregate and need be transported into from the outside then may cause construction investment to increase considerably.
Summary of the invention
Purpose of the present invention is exactly at the deficiencies in the prior art, during at existing retaining wall construction to site environment destroy big, the construction material transportation is difficult, the construction period is long and the long-term slope of excavation may produce the situation of secondary disaster after exposing, provide a kind of and construct fast, less, as can to make full use of any construction plant and near any existing soil body material thereof assembly type retaining wall and job practices thereof are destroyed in the scene.
For achieving the above object, technical scheme of the present invention is:
A kind of assembly type retaining wall that the present invention proposes comprises retaining wall basis and the retaining wall body of wall of being located on the retaining wall basis; Some prefabricated steel concrete rectangular box bodies link to each other in length and breadth, are single-row distribution, constitute described retaining wall body of wall along the retaining wall length direction (is that the retaining wall body of wall comprises several layers, each layer only has a row rectangular box body, distributes along the retaining wall length direction, be vertically continuous between bilevel rectangular box body, link to each other) with being between two adjacent rectangular box bodies of one deck laterally; The rectangular box body end face is opened wide, all the other five face closures, the inner filling soil body.The rectangular box body that constitutes the retaining wall body of wall can not only shorten the construction period of retaining wall, and can reduce the influence to the retaining wall surrounding enviroment for prefabricated in advance.Described rectangular box body is that end face is opened wide, the structure of all the other five face closures, not only be convenient to linking to each other in length and breadth between the rectangular box body, and toward the inner filling of the rectangular box body soil body, and utilize the retaining wall of the rectangular box body assembling of this structure can rely on the gravity of rectangular box body self to have advantages of higher compressive strength and higher stability, also could effectively resist horizontal thrust from the retaining wall inslope.
The physical dimension of described rectangular box body is planned according to the bulk of retaining wall, and the bulk of retaining wall is planned according to slope stability result of calculation according to slope soil character.The physical dimension of described rectangular box body can following principle value: 1. retaining walls height degree H is the integral multiple of rectangular box body height h, i.e. h=H/n1, and wherein n1 is a multiple; The compressive strength that is limited to the rectangular box body vertical direction, retaining walls height degree H is generally less than and equals 10.0m; Rectangular box body height h generally gets 1.0-1.5m, to guarantee the stability of rectangular box body.2. the rectangular box body minor face is laid perpendicular to the retaining wall length direction, and rectangular box body length of short sides b can consider two kinds of sizes, gets b ' or 2b ', and general b ' gets 0.75-1.2m, so rectangular box body length of short sides b generally gets 0.75-1.2m or 1.5-2.4m.3. the long edge of rectangular box body retaining wall length direction is laid, fill the retaining walls body space in order to utilize rectangular box body as far as possible, rectangular box body can laterally interlock in the plane, and (described plane is meant the metope of retaining wall body of wall to strengthen plane stability, just the long side wall of all rectangular box bodies is along the plane of retaining wall length direction formation, with reference to shown in Figure 6), rectangular box body length of long sides a can consider two kinds of sizes, gets a ' or 2a '; A ' determines and can estimate with interior at 5000KG according to the rectangular box body Weight control, and promptly rectangular box body weight is smaller or equal to 5000KG, and general a ' gets 1.5-2.0m, so rectangular box body length of long sides a generally gets 1.5-2.0m or 3.0-4.0m.The purpose of control rectangular box body weight is conveniently to transport by pioneer road and can use the simple and easy method lifting.
As retaining walls height degree H during smaller or equal to 5.0m, the length of short sides b that constitutes all rectangular box bodies of described retaining wall body of wall can only adopt a kind of size, gets b=b ', and promptly all rectangular box body length of short sides b equate, each is 0.75-1.2m.As retaining walls height degree H during greater than 5.0m, the rectangular box body length of short sides b that constitutes described retaining wall body of wall need adopt two kinds of sizes, get b=b ' or 2b ', be respectively 0.75-1.2m or 1.5-2.4m, the part rectangular box body length of short sides b that promptly constitutes described retaining wall body of wall equates, be 0.75-1.2m, remainder rectangular box body length of short sides b equates, is 1.5-2.4m.
In general, the same one deck rectangular box body height h that constitutes the retaining wall body of wall equates, therefore in order to guarantee with the integral plane between one deck rectangular box body, be provided with on the rectangular box body minor face sidewall for the level that laterally links to each other between rectangular box body to connecting hole (with one deck between adjacent two rectangular box bodies be laterally link to each other by rectangular box body minor face sidewall) when prefabricated, described level can adopt bolt to connect to connecting hole; Level is 2-8 to connecting hole, and level front and back between the position of connecting hole will be convenient to one deck rectangular box body laterally connect, and level is generally 0.02-0.03m to the diameter of connecting hole.In order to reduce the pressure of water weight to rectangular box body, be provided with drain hole at rectangular box body base plate and rectangular box body sidewall (the long side wall and the minor face sidewall that comprise rectangular box body) bottom when prefabricated, fully drain the underground water of interior water of rectangular box body and inslope infiltration; Drain hole on the rectangular box body minor face sidewall is 2-8, and the drain hole on the rectangular box body long side wall is 2-8, and the drain hole on the rectangular box body base plate is 2-8; Drain hole is a circular hole, and diameter is generally 0.03-0.06m.In order to increase the connection of rectangular box body between two-layer up and down, be respectively equipped with for the vertical connecting hole that vertically links to each other between rectangular box body (when being provided with tabula in the rectangular box body at four angles of rectangular box body base plate when prefabricated, rectangular box body is separated into 2 or 4 small box, four angles of each the small box base plate after the separation all can be respectively equipped with vertical connecting hole), connected mode can be reinforcing bar to be passed vertical connecting hole be welded on the reinforcing bar that levels rectangular box body sidewall stretches out; The size of vertical connecting hole is 0.03 * 0.03m
2-0.04 * 0.04m
2In order to lift conveniently, on the inside wall of the two ends of rectangular box body, can reserve each 1 of lifting hook.
The uncovered thin-walled cuboid of described prefabricated rectangular box body for not binding when rectangular box body length of long sides a is 3.0-4.0m, increases by 1 tabula parallel with the rectangular box body minor face in the rectangular box body; When rectangular box body length of short sides b is 1.5-2.4m, increases by 1 in the rectangular box body and grow the parallel tabula in limit with rectangular box body; The purpose that increases tabula is the intensity that increases rectangular box body.Rectangular box body sidewall thickness t
1According to bearing its top rectangular box body pressure and the design of inslope horizontal thrust, generally get 0.10-0.15m; Rectangular box body base plate thickness, tabula thickness t
2Generally get 0.08m.Described rectangular box body adopts reinforced concrete structure, the rectangular box body sidewall is the single or double arrangement of reinforcement, and rectangular box body base plate and tabula are the single face arrangement of reinforcement, and the overall volume reinforcement ratio is 0.5-2.0%, bar diameter is 0.006-0.012m, and concrete is generally C35, C30, C25.The inner filling of the described rectangular box body soil body, near the soil body material in the place soil body material of utilization excavation ground and side slope or the side slope as far as possible.The maximum particle diameter of the inner filling of the rectangular box body soil body need be determined according to rectangular box body length of short sides b, is generally 1/2nd (being b/2) of rectangular box body length of short sides b, promptly screens out the above soil body particle of maximum particle diameter and recharges.In order to guarantee retaining wall body of wall intensity, the soil body of filling is tamped or vibration compacting.
In order to guarantee the stability of retaining wall, described retaining wall can adopt anticline formula or stalk formula, specifically determines according to slope stability result of calculation.In order to prevent that slope runoff from washing away the filling soil body from retaining wall top cross flow, described retaining wall also can be provided with the wall top, and the top of described retaining wall body of wall is located on the retaining walls top, is stone masonry or concrete enclosing end face.
The job practices of described assembly type retaining wall, concrete steps are as follows:
A. according to the actual conditions planning and designing retaining wall of side slope, comprise the bulk (comprising retaining walls height degree H, retaining wall body of wall width, retaining walls body length etc.) of retaining wall; The physical dimension of planning prefabricated rectangular box body according to the bulk of retaining wall (comprises rectangular box body height h, rectangular box body length of short sides b and rectangular box body length of long sides a); From the filling space position of the facade prefabricated rectangular box body of planning retaining wall, promptly plan the particular location of each rectangular box body in the retaining wall body of wall etc.
B. according to the ground and the side slope of design foundation dredging line excavation retaining wall, utilize steel concrete or concrete or stone masonry Ground Treatment bottom to form the retaining wall basis, the rectangular box body with planning prepares in advance in the place away from retaining wall simultaneously.
C. prefabricated steel concrete rectangular box body is successively lifted (according to the filling space position of prefabricated rectangular box body retaining wall of steps A planning) from the bottom up successively from the beginning of retaining wall basis, (being about to each rectangular box body laterally links to each other with the rectangular box body of its front and back with one deck then rectangular box body to be carried out the connection processing of direction in length and breadth, and vertically link to each other) with the rectangular box body of its levels, soil body material that produces when every lifting one deck just loads excavation ground and side slope in rectangular box body simultaneously or near the soil body material the construction plant, and, form the retaining wall body of wall with soil body compacting or vibration compacting.
D. rectangular box body install reach may fill retaining wall body of wall maximum space after, banketed (if be provided with the wall top in space between retaining wall body of wall and the side slope form line, adopt stone masonry or concrete enclosing end face to form the retaining walls top on retaining wall body of wall top after banketing), finally form the assembly type retaining wall.
Compared with prior art, the invention has the beneficial effects as follows: the quick assembly features that makes full use of rectangular box body, the preparation of rectangular box body and the construction on retaining wall basis can be carried out simultaneously, shortened construction period greatly, shortened the open-assembly time of excavation slope, the slope deforming of avoiding excavating produces secondary disasters such as landslide, avalanche; Rectangular box body can prepare in advance in the place away from retaining wall, has reduced the influence of retaining wall construction to the on-the-spot surrounding enviroment of retaining wall; For the place that lacks constructional materials, utilize rectangular box body can directly load the soil body in ground and the slope excavation soil body or near the place of side slope, thereby solve the problems of a large amount of transportations of construction material; Compare with traditional retaining wall, can save construction investment 20～50%, save the construction period 20～80%.
Description of drawings
Fig. 1 gets 0.75-1.2m as rectangular box body length of short sides b, the rectangular box body schematic diagram when rectangular box body length of long sides a gets 1.5-2.0m simultaneously.
Fig. 2 gets 0.75-1.2m as rectangular box body length of short sides b, the rectangular box body schematic diagram when rectangular box body length of long sides a gets 3.0-4.0m simultaneously.
Fig. 3 gets 1.5-2.4m as rectangular box body length of short sides b, the rectangular box body schematic diagram when rectangular box body length of long sides a gets 3.0-4.0m simultaneously.
Fig. 4 is retaining walls height degree H during greater than 5.0m, the schematic cross-sectional view of stalk formula retaining wall.
Fig. 5 is retaining walls height degree H during smaller or equal to 5.0m, the schematic cross-sectional view of anticline formula retaining wall.
Fig. 6 is the longitudinal section schematic diagram of assembly type retaining wall.
Number in the figure is as follows:
1 rectangular box body, 2 retaining wall bases
3 levels are to connecting hole 4 drain holes
5 vertical connecting hole 6 tabulas
A rectangular box body length of long sides b rectangular box body length of short sides
H rectangular box body height H retaining walls height degree
t
1Rectangular box body sidewall thickness t
2Tabula thickness
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are further described.
Embodiment one
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 6.Certain newly-built highway passes on the slope that covers fixed bonding layer of gravel in the better Tertiary Period, and excavated slope forms roadbed, intends building in the highway inboard retaining wall of long 100m.At retaining wall, adopt following job practices to carry out:
The first step according to retaining wall slope soil intensity index, is calculated by slope stability, and planning and designing are stalk formula retaining wall, and retaining walls height degree H is 9.0m.Because this retaining walls height degree H≤10.0m intends adopting assembly type retaining wall of the present invention.Described assembly type retaining wall comprises that some prefabricated steel concrete rectangular box bodies 1 link to each other in length and breadth, are single-row distribution, constitute the retaining wall body of wall along the retaining wall length direction, and rectangular box body 1 end face is opened wide, all the other five face closures.According to the bulk of the retaining wall of planning, plan the physical dimension of prefabricated rectangular box body 1: be the integral multiple n1 of rectangular box body 1 height h 1., tentatively draft n1 and get 6, get rectangular box body 1 height h=9.0/6=1.5m according to retaining walls height degree H; 2. rectangular box body 1 minor face is laid perpendicular to the retaining wall length direction, and rectangular box body 1 length of short sides b gets two kinds of sizes respectively, gets rectangular box body 1 length of short sides b=1.2m, 2.4m; 3. rectangular box body 1 long edge retaining wall length direction is laid, and rectangular box body 1 length of long sides a gets two kinds of sizes respectively, gets rectangular box body 1 length of long sides a=1.5m, 3.0m.Specifically, all rectangular box bodies 1 are divided into three kinds of specifications, dividing other physical dimension is height h=1.5m, length of short sides b=1.2m, length of long sides a=1.5m, height h=1.5m, length of short sides b=1.2m, length of long sides a=3.0m, height h=1.5m, length of short sides b=2.4m, length of long sides a=3.0m are respectively as Fig. 1, Fig. 2, shown in Figure 3.
From the retaining wall facade of planning, rectangular box body 1 each position, filling space in the retaining wall body of wall of planning above-mentioned three kinds of specifications is as Fig. 4, shown in Figure 6.
Second step, excavate the ground and the side slope of retaining wall according to the design foundation dredging line of the retaining wall of planning, utilize C20 concrete Ground Treatment bottom to form retaining wall basis 2, the while is in the preparation in advance of three kinds of specification rectangular box bodies 1 that carry out planning in the first step away from the place of retaining wall.
When prefabricated, to increasing by 1 tabula 6 parallel in the rectangular box body 1 of length of long sides a=3.0m with rectangular box body 1 minor face, increase in the rectangular box body 1 to length of short sides b=2.4m 1 with the parallel tabula 6 in rectangular box body 1 length limit.Rectangular box body 1 sidewall thickness t
1Be 0.15m; Rectangular box body 1 base plate thickness, tabula 6 thickness t
2Be respectively 0.08m.The rectangular box body 1 of three kinds of sizes all adopts reinforced concrete structure, and rectangular box body 1 sidewall is two-sided arrangement of reinforcement, and rectangular box body 1 base plate and tabula 6 are the single face arrangement of reinforcement, and the overall volume reinforcement ratio is 2.0%, and bar diameter is 0.012m, and concrete is C35.Rectangular box body 1 weight of such three kinds of specifications all is no more than 5000KG, is convenient to by pioneer road transportation and can uses the simple machine lifting.
Being provided with on rectangular box body 1 minor face sidewall when prefabricated for 1 of rectangular box body adopts bolt to carry out laterally continuous level to connecting hole 3; Rectangular box body 1 level for length of short sides b=1.2m is 4 to connecting hole 3, is 8 for rectangular box body 1 level of length of short sides b=2.4m to connecting hole 3; Level is 0.02m to the diameter of connecting hole 3.Rectangular box body 1 base plate and rectangular box body 1 sidewall are provided with drain hole 4, drain hole 4 on the rectangular box body 1 minor face sidewall of three kinds of sizes is respectively 2,2,4, drain hole 4 on the rectangular box body 1 long side wall of three kinds of sizes is respectively 2,4,4, drain hole 4 on rectangular box body 1 base plate of three kinds of sizes is respectively 2,4,8, and drain hole 4 is that diameter is the circular hole of 0.03m.Four angles of rectangular box body 1 base plate are respectively equipped with for 1 vertical connecting hole 5 that vertically links to each other of rectangular box body (to the rectangular box body 1 that is provided with tabula 6 in it, rectangular box body 1 is separated into 2 or 4 small box, all there is vertical connecting hole 5 at four angles of each the small box base plate after the separation), connected mode is reinforcing bar to be passed vertical connecting hole 5 be welded on the reinforcing bar that levels rectangular box body 1 sidewall stretches out, and the size of vertical connecting hole 5 is 0.04 * 0.04m
2
The 3rd step, steel concrete rectangular box body 1 prefabricated in second step is successively lifted from the bottom up successively from 2 beginnings of retaining wall basis, to connecting hole 3 and vertical connecting hole 5 rectangular box body 1 is carried out the processing that is connected of direction in length and breadth then by level, soil body material that produces when every lifting one deck just loads excavation ground and side slope in rectangular box body 1 simultaneously or near the soil body material the construction plant, and, form the retaining wall body of wall with soil body compacting or vibration compacting.The maximum particle diameter of the rectangular box body 1 inner filling soil body is 0.6m.
The 4th step, rectangular box body 1 install reach can fill retaining wall body of wall maximum space after, banketed in the space between retaining wall body of wall and the side slope form line, finally form the assembly type retaining wall.Its structure is located on the retaining wall basis 2 for the retaining wall body of wall, with retaining wall basis 2 common formation assembly type retaining walls; Prefabricated steel concrete rectangular box body 1 links to each other in length and breadth, is single-row distribution, constitutes the retaining wall body of wall along the retaining wall length direction, and rectangular box body 1 end face is opened wide, all the other five face closures, the inner filling soil body.
Embodiment two
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 6.Do not giving unnecessary details with embodiment one something in common, difference is: it is long that planning is provided with retaining wall 150m, and inslope is the severely-weathered basement rock of sand shale alternating layers.
The first step, planning retaining walls height degree H is 10.0m.According to the bulk of the retaining wall of planning, plan the physical dimension of prefabricated rectangular box body 1: be the integral multiple n1 of rectangular box body 1 height h 1., tentatively draft n1 and get 8, get rectangular box body 1 height h=10.0/8=1.25m according to retaining walls height degree H; 2. rectangular box body 1 length of short sides b gets two kinds of sizes respectively, gets rectangular box body 1 length of short sides b=0.75m, 1.5m; 3. rectangular box body 1 length of long sides a gets two kinds of sizes respectively, gets rectangular box body 1 length of long sides a=1.7m, 3.4m.Specifically, all rectangular box bodies 1 are divided into three kinds of specifications, dividing other physical dimension is height h=1.25m, length of short sides b=0.75m, length of long sides a=1.7m, height h=1.25m, length of short sides b=0.75m, length of long sides a=3.4m, height h=1.25m, length of short sides b=1.5m, length of long sides a=3.4m are respectively as Fig. 1, Fig. 2, shown in Figure 3.
Second step during prefabricated rectangular box body 1, increased by 1 tabula 6 parallel with rectangular box body 1 minor face in the rectangular box body 1 to length of long sides a=3.4m, increase in the rectangular box body 1 to length of short sides b=1.5m 1 with the parallel tabula 6 in rectangular box body 1 length limit.Rectangular box body 1 sidewall thickness t
1Be 0.12m.
In the 3rd step, the maximum particle diameter of the rectangular box body 1 inner filling soil body is 0.38m.
The 4th step, rectangular box body 1 install reach can fill retaining wall body of wall maximum space after, banketed in space between retaining wall body of wall and the side slope form line, adopt the concrete enclosing end face to form the retaining walls top on retaining wall body of wall top after banketing, finally form the assembly type retaining wall.Its structure is located on the retaining wall basis 2 for the retaining wall body of wall, with retaining wall basis 2, retaining walls top common formation assembly type retaining wall; Prefabricated steel concrete rectangular box body 1 links to each other in length and breadth, is single-row distribution, constitutes the retaining wall body of wall along the retaining wall length direction, and rectangular box body 1 end face is opened wide, all the other five face closures, the inner filling soil body.
Embodiment three
As Fig. 1, Fig. 2, Fig. 5, shown in Figure 6.Do not giving unnecessary details with embodiment one something in common, difference is: it is long that planning is provided with retaining wall 50m, and inslope is a clay.
The first step according to retaining wall slope soil intensity index, is calculated by slope stability, and planning and designing are anticline formula retaining wall, and retaining walls height degree H is 5.0m.Because this retaining walls height degree H≤10.0m intends adopting assembly type retaining wall of the present invention.According to the bulk of the retaining wall of planning, plan the physical dimension of prefabricated rectangular box body 1: be the integral multiple n1 of rectangular box body 1 height h 1., tentatively draft n1 and get 5, get rectangular box body 1 height h=5.0/5=1.0m according to retaining walls height degree H; 2. owing to retaining walls height degree H≤5.0m, rectangular box body 1 length of short sides b can only get a kind of size, gets all rectangular box body 1 length of short sides b=0.75m; 3. rectangular box body 1 length of long sides a gets two kinds of sizes respectively, gets rectangular box body 1 length of long sides a=2.0m, 4.0m.Specifically, all rectangular box bodies 1 are divided into two kinds of specifications, dividing other physical dimension is height h=1.0m, length of short sides b=0.75m, length of long sides a=2.0m, height h=1.0m, length of short sides b=0.75m, length of long sides a=4.0m, respectively as shown in Figure 1 and Figure 2.
From the retaining wall facade of planning, rectangular box body 1 each position, filling space in the retaining wall body of wall of planning above-mentioned two kinds of specifications is as Fig. 5, shown in Figure 6.
Second step, utilize stone masonry Ground Treatment bottom to form retaining wall basis 2, the while is in the preparation in advance of two kinds of specification rectangular box bodies 1 that carry out planning in the first step away from the place of retaining wall.
When prefabricated, increase by 1 tabula 6 parallel in the rectangular box body 1 to length of long sides a=4.0m with rectangular box body 1 minor face.Rectangular box body 1 sidewall thickness t
1Be 0.10m; Rectangular box body 1 base plate thickness, tabula 6 thickness t
2Be respectively 0.08m.The rectangular box body 1 of two kinds of sizes all adopts reinforced concrete structure, and rectangular box body 1 sidewall, base plate and tabula 6 are the single face arrangement of reinforcement, and the overall volume reinforcement ratio is 0.5%, and bar diameter is 0.006m, and concrete is C25.
Level is 2 to connecting hole 3, and level is 0.03m to the diameter of connecting hole 3.Drain hole 4 on the rectangular box body 1 minor face sidewall is 2, drain hole 4 on the rectangular box body 1 long side wall of two kinds of sizes is respectively 2,4, drain hole 4 on rectangular box body 1 base plate of two kinds of sizes is respectively 2,4, and drain hole 4 is that diameter is the circular hole of 0.06m.The size of vertical connecting hole 5 is 0.03 * 0.03m
2
In the 3rd step, the maximum particle diameter of the rectangular box body 1 inner filling soil body is 0.38m.
Claims (10)
1. assembly type retaining wall, comprise retaining wall basis (2) and be located at retaining wall body of wall on the retaining wall basis (2), it is characterized in that: some prefabricated steel concrete rectangular box bodies (1) link to each other in length and breadth, are single-row distribution, constitute described retaining wall body of wall along the retaining wall length direction, and rectangular box body (1) is opened wide by end face, all the other five face closures, the inner filling soil body.
2. assembly type retaining wall according to claim 1 is characterized in that: retaining walls height degree H is the integral multiple of rectangular box body (1) height h, and retaining walls height degree H is smaller or equal to 10.0m, and rectangular box body (1) height h is 1.0-1.5m; Rectangular box body (1) minor face is laid perpendicular to the retaining wall length direction, and rectangular box body (1) length of short sides b is 0.75-1.2m or 1.5-2.4m; The long edge of rectangular box body (1) retaining wall length direction is laid, and rectangular box body (1) length of long sides a is 1.5-2.0m or 3.0-4.0m; Rectangular box body (1) weight is smaller or equal to 5000KG.
3. assembly type retaining wall according to claim 2 is characterized in that: as retaining walls height degree H during smaller or equal to 5.0m, all rectangular box bodies (1) the length of short sides b that constitutes described retaining wall body of wall equates, is 0.75-1.2m; As retaining walls height degree H during greater than 5.0m, part rectangular box body (1) the length of short sides b that constitutes described retaining wall body of wall equates, is 0.75-1.2m, and remainder rectangular box body (1) length of short sides b equates, is 1.5-2.4m.
4. assembly type retaining wall according to claim 2, it is characterized in that: rectangular box body (1) minor face sidewall is provided with for the level that laterally links to each other between rectangular box body (1) to connecting hole (3), rectangular box body (1) base plate and rectangular box body (1) sidewall are provided with drain hole (4), and four angles of rectangular box body (1) base plate are respectively equipped with the vertical connecting hole (5) that vertically links to each other between rectangular box body (1).
5. assembly type retaining wall according to claim 4 is characterized in that: level is 2-8 to connecting hole (3), and diameter is 0.02-0.03m; Drain hole (4) is 2-8, and diameter is 0.03-0.06m; The size of vertical connecting hole (5) is 0.03 * 0.03m
2-0.04 * 0.04m
2
6. assembly type retaining wall according to claim 2 is characterized in that: when rectangular box body (1) length of long sides a is 3.0-4.0m, increase by 1 tabula (6) parallel with rectangular box body (1) minor face in the rectangular box body (1); When rectangular box body (1) length of short sides b is 1.5-2.4m, increases by 1 in the rectangular box body (1) and grow the parallel tabula (6) in limit with rectangular box body (1); Rectangular box body (1) sidewall thickness t
1Be 0.10-0.15m, rectangular box body (1) base plate thickness, tabula (6) thickness t
2Be 0.08m.
7. assembly type retaining wall according to claim 6, it is characterized in that: rectangular box body (1) sidewall is the single or double arrangement of reinforcement, rectangular box body (1) base plate and tabula (6) are the single face arrangement of reinforcement, and the overall volume reinforcement ratio is 0.5-2.0%, and bar diameter is 0.006-0.012m; The maximum particle diameter of the inner filling of rectangular box body (1) soil body is 1/2nd of rectangular box body (1) length of short sides b.
8. according to the arbitrary described assembly type retaining wall of claim 1 to 7, it is characterized in that: the top of described retaining wall body of wall is located on the retaining walls top, is stone masonry or concrete enclosing end face.
9. according to the arbitrary described assembly type retaining wall of claim 1 to 7, it is characterized in that: retaining wall is anticline formula or stalk formula.
10. the job practices of assembly type retaining wall as claimed in claim 1 is characterized in that: the job practices of described assembly type retaining wall, and concrete steps are as follows:
A. plan the physical dimension of prefabricated rectangular box body (1) according to the bulk of retaining wall; From the filling space position of facade planning prefabricated rectangular box body (1) retaining wall;
B. according to the ground and the side slope of design foundation dredging line excavation retaining wall, utilize steel concrete or concrete or stone masonry Ground Treatment bottom to form retaining wall basis (2), the rectangular box body (1) with planning prepares in advance in the place away from retaining wall simultaneously;
C. prefabricated steel concrete rectangular box body (1) is successively lifted from the bottom up successively from retaining wall basis (2) beginning, then rectangular box body (1) being carried out the connection of direction in length and breadth handles, soil body material that produces when every lifting one deck just loads excavation ground and side slope in rectangular box body (1) simultaneously or near the soil body material the construction plant, and, form the retaining wall body of wall with soil body compacting or vibration compacting;
D. banketed in the space between retaining wall body of wall and the side slope form line, finally form the assembly type retaining wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101089625A CN102277874A (en) | 2011-04-28 | 2011-04-28 | Assembled retaining wall and construction method thereof |
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| CN2011101089625A CN102277874A (en) | 2011-04-28 | 2011-04-28 | Assembled retaining wall and construction method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184744A (en) * | 2013-02-27 | 2013-07-03 | 湖南大学 | Inflation packing type retaining wall and construction method thereof |
| CN103572777A (en) * | 2013-10-18 | 2014-02-12 | 中国航空港建设第九工程总队 | Earthwork standard room retaining wall and construction method thereof |
| CN107034914A (en) * | 2017-05-27 | 2017-08-11 | 中国能源建设集团广东省电力设计研究院有限公司 | corner retaining wall |
| CN107119713A (en) * | 2017-06-19 | 2017-09-01 | 中冶成都勘察研究总院有限公司 | A kind of environment-friendly type Retaining Wall |
| CN107288153A (en) * | 2016-04-11 | 2017-10-24 | 易朋莹 | A kind of prefabricated Gravity Retaining Wall |
| CN107700523A (en) * | 2017-09-26 | 2018-02-16 | 福州市规划设计研究院 | The prefabricated drainage system and construction method for facing upward inclined retaining wall |
| CN109208632A (en) * | 2018-10-19 | 2019-01-15 | 田海清 | A kind of precast hollow module block type concrete retaining wall |
| CN111188360A (en) * | 2020-02-24 | 2020-05-22 | 中铁第四勘察设计院集团有限公司 | High-tenon foundation gravity retaining wall and construction method thereof |
| CN113356266A (en) * | 2021-05-12 | 2021-09-07 | 中亿丰建设集团股份有限公司 | Underground engineering retaining wall builds structure fast |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2471824Y (en) * | 2000-11-20 | 2002-01-16 | 三门峡市县乡公路管理处 | Stairs retaining walls |
| CN101680203A (en) * | 2007-08-06 | 2010-03-24 | 海斯科堡垒有限公司 | gabions |
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| CN2471824Y (en) * | 2000-11-20 | 2002-01-16 | 三门峡市县乡公路管理处 | Stairs retaining walls |
| CN101680203A (en) * | 2007-08-06 | 2010-03-24 | 海斯科堡垒有限公司 | gabions |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184744A (en) * | 2013-02-27 | 2013-07-03 | 湖南大学 | Inflation packing type retaining wall and construction method thereof |
| CN103184744B (en) * | 2013-02-27 | 2016-03-02 | 湖南大学 | Inflation stuffing formula retaining wall and construction method thereof |
| CN103572777A (en) * | 2013-10-18 | 2014-02-12 | 中国航空港建设第九工程总队 | Earthwork standard room retaining wall and construction method thereof |
| CN103572777B (en) * | 2013-10-18 | 2016-04-20 | 中国航空港建设第九工程总队 | A kind of geotechnical grid retaining wall and construction method thereof |
| CN107288153A (en) * | 2016-04-11 | 2017-10-24 | 易朋莹 | A kind of prefabricated Gravity Retaining Wall |
| CN107288153B (en) * | 2016-04-11 | 2023-09-01 | 易朋莹 | Prefabricated gravity type barricade |
| CN107034914A (en) * | 2017-05-27 | 2017-08-11 | 中国能源建设集团广东省电力设计研究院有限公司 | corner retaining wall |
| CN107119713A (en) * | 2017-06-19 | 2017-09-01 | 中冶成都勘察研究总院有限公司 | A kind of environment-friendly type Retaining Wall |
| CN107700523A (en) * | 2017-09-26 | 2018-02-16 | 福州市规划设计研究院 | The prefabricated drainage system and construction method for facing upward inclined retaining wall |
| CN109208632A (en) * | 2018-10-19 | 2019-01-15 | 田海清 | A kind of precast hollow module block type concrete retaining wall |
| CN111188360A (en) * | 2020-02-24 | 2020-05-22 | 中铁第四勘察设计院集团有限公司 | High-tenon foundation gravity retaining wall and construction method thereof |
| CN113356266A (en) * | 2021-05-12 | 2021-09-07 | 中亿丰建设集团股份有限公司 | Underground engineering retaining wall builds structure fast |
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