CN113482042B - Combined template for reinforced retaining wall cast-in-place wall surface, wall surface system and construction method of wall surface system - Google Patents
Combined template for reinforced retaining wall cast-in-place wall surface, wall surface system and construction method of wall surface system Download PDFInfo
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- CN113482042B CN113482042B CN202110952458.7A CN202110952458A CN113482042B CN 113482042 B CN113482042 B CN 113482042B CN 202110952458 A CN202110952458 A CN 202110952458A CN 113482042 B CN113482042 B CN 113482042B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
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- Retaining Walls (AREA)
Abstract
The utility model provides a combination formula template for cast-in-place wall of reinforced retaining wall, includes at least one moulded die, the moulded die includes the same first prefabricated plate of specification, second prefabricated plate to and two at least connecting blocks, be equipped with the draw-in groove on first prefabricated plate, the second prefabricated plate respectively, the quantity of draw-in groove suits with the quantity of connecting block, the both ends of connecting block are equipped with the block tongue with the draw-in groove adaptation respectively, the connecting block sets up between first prefabricated plate, second prefabricated plate, and through block tongue and draw-in groove cooperation, the combination constitutes the moulded die, and a moulded die or a plurality of moulded die form through overlapping and/or range combination, form cast-in-place reinforced concrete and use combination formula template. The combined template has a simple structure, can be assembled and combined into a form on a construction site after being prefabricated in a factory, has low construction difficulty, does not need large-scale equipment for hoisting, can obtain templates with corresponding specifications by combining a plurality of forming dies, and meets the construction requirements of a wall surface system.
Description
Technical Field
The invention relates to the field of concrete, in particular to a combined type template for a reinforced retaining wall cast-in-place wall surface, a wall surface system and a construction method of the wall surface system.
Background
The cast-in-situ reinforced concrete retaining wall is mainly applied to filling and retaining engineering in various industries.
At present, the wall surface system of the retaining wall mainly comprises the following two types:
the prefabricated reinforced concrete module is combined into a wall surface system on site, the prefabricated module is large in size and heavy in weight, the template opening difficulty is large, the cost is high, the period is long, the transportation cost is high, the prefabricated forming in a prefabricated factory is difficult, large-scale mechanical hoisting operation is needed in construction, time and labor are wasted, and the construction cost is high; secondly, the formwork is erected on site, and then concrete is poured, the construction mode is high in formwork erecting difficulty, sectional pouring is needed, and the wall surface is not attractive. Therefore, how to design a cast-in-place reinforced concrete retaining wall which is convenient and simple to construct and beautiful after molding is a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
One of the purposes of the invention is to provide a combined type template for a reinforced retaining wall cast-in-place wall surface, aiming at the defects of the prior art, the combined type template has a simple structure, can be assembled and combined into a form on a construction site after being prefabricated in a factory, has low construction difficulty, does not need large-scale equipment for hoisting, can be combined by a plurality of forming dies to obtain a template with a corresponding specification, and meets the construction requirements of a wall surface system.
The invention also aims to provide a wall surface system formed by adopting the combined type template, which has simple and stable structure and high construction efficiency and can effectively meet the engineering requirements of filling and retaining soil in various industries.
The invention also aims to provide the construction method of the wall surface system, which has simple construction and high operability, and the wall surface system finished by construction is beautiful and has high structural strength, thereby meeting the performance requirements of filling and retaining engineering.
The technical scheme for realizing one purpose of the invention is as follows: the utility model provides a combination formula template for reinforced earth retaining wall cast-in-place wall, includes at least one moulded die, the moulded die includes the same first prefabricated plate of specification, second prefabricated plate to and two at least connecting blocks, be equipped with the draw-in groove on first prefabricated plate, the second prefabricated plate respectively, the quantity of draw-in groove suits with the quantity of connecting block, the both ends of connecting block are equipped with the block tongue with the draw-in groove adaptation respectively, the connecting block sets up between first prefabricated plate, second prefabricated plate, and through block tongue and draw-in groove cooperation, the combination constitutes the moulded die, and a moulded die or a plurality of moulded die form and form reinforced earth retaining wall cast-in-place wall and use combination formula template through overlapping and/or range combination.
Furthermore, the first prefabricated plate and the second prefabricated plate are of rectangular block structures, the number of the clamping grooves is two, the first pair of clamping grooves is located at the top of the prefabricated plate of the rectangular block structure, and the second pair of clamping grooves is located at the bottom of the prefabricated plate of the rectangular block structure.
Preferably, the cross section of each clamping groove is trapezoidal, a large-opening end of each trapezoidal clamping groove is located on the outer side face of each prefabricated plate, a small-opening end of each trapezoidal clamping groove is located on the inner side face of each prefabricated plate, each clamping groove extends in the height direction, the first pair of clamping grooves are communicated with the top faces of the first prefabricated plate and the second prefabricated plate, and the second pair of clamping grooves are communicated with the bottom faces of the first prefabricated plate and the second prefabricated plate.
Furthermore, the number of the connecting blocks is two, the first pair of connecting blocks is respectively matched with the first pair of clamping grooves and is positioned at the upper part of the space between the first prefabricated plate and the second prefabricated plate, and the second pair of connecting blocks is respectively matched with the second pair of clamping grooves and is positioned at the lower part of the space between the first prefabricated plate and the second prefabricated plate.
Preferably, the clamping tongues at the two ends of the first pair of connecting blocks are located above the connecting block body, the clamping tongues at the two ends of the second pair of connecting blocks are located below the connecting block body, and the connecting blocks are provided with through reinforcing steel bar supporting holes.
Furthermore, the first precast slab and the second precast slab are prepared from polymer matrix composite materials, resin concrete, high polymer materials or reinforced concrete.
The second technical scheme for realizing the aim of the invention is as follows: a wall surface system comprises any one of the combined type templates, concrete blocks which are formed in the space between the combined type templates and a reinforced material, wherein one end of the reinforced material is positioned by the concrete blocks, and the other end of the reinforced material extends out of the combined type templates and is used for being compressed and positioned through backfilling.
Furthermore, the concrete block is provided with a steel bar, and the steel bar extends along the horizontal direction and is supported in the steel bar supporting hole of the connecting block.
The third technical scheme for realizing the aim of the invention is as follows: the construction method of the wall surface system comprises the following steps:
1) selecting a proper number of forming dies, arranging and combining the forming dies on a strip-shaped foundation to obtain a bottom-layer combined template;
2) one end of the reinforced material is placed in the corresponding forming die, and the other end of the reinforced material extends out of the forming die and is positioned in a backfill soil area;
3) sealing the front end and the rear end of the combined template at the bottom layer;
4) pouring concrete into the combined type template cavity of the bottom layer, backfilling backfill soil into the backfilling area after the concrete is formed into a concrete block, wherein the backfilling height of the backfill soil is not more than the height of the combined type template of the bottom layer;
5) according to design requirements, overlapping a forming die on the combined template at the bottom layer to obtain a combined template at the upper layer;
6) and repeating the steps 2) -4) until a wall surface system with the specified height is obtained.
Further, in the step 3), a plate or a formed wall surface system is adopted for sealing, and horizontally extending reinforcing steel bars are arranged in the combined type template in the step 1) and/or the step 5).
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the combined type template for the reinforced retaining wall cast-in-place wall surface comprises at least one forming die which is used as a minimum unit and provides a space for cast-in-place concrete forming. The forming die comprises a first prefabricated plate, a second prefabricated plate and at least two connecting blocks, wherein the first prefabricated plate and the second prefabricated plate are identical in specification. The first prefabricated plate and the second prefabricated plate are respectively provided with a clamping groove, the number of the clamping grooves is matched with the number of the connecting blocks, two ends of each connecting block are respectively provided with a clamping tongue matched with the clamping grooves, the connecting blocks are arranged between the first prefabricated plate and the second prefabricated plate and are matched with the clamping grooves through the clamping tongues, and the forming dies are formed in a combined mode. At least two connecting blocks are arranged between the first prefabricated plate and the second prefabricated plate of the forming die and matched with the clamping tongues through the clamping grooves to form a stable semi-closed box body structure, so that the semi-closed box body structure can bear the action of external force and is not easy to deform, the self-structure stability can be kept without the help of a supporting structure, and the forming quality of concrete is ensured. The combined type formwork for the cast-in-place reinforced concrete is formed by overlapping and/or arranging and combining one or more forming dies, the forming dies of a plurality of minimum units can be repeatedly arranged to obtain the combined type formwork with corresponding specifications according to the requirements of site construction, the forming dies of the minimum units can be prefabricated and formed in factories and then combined in a temporary assembly mode on a construction site, the transportation is convenient, the cost is low, the construction process is simple, the construction of wall surfaces with variable slope angles can be realized, and the combined type formwork can be popularized and applied on a large scale.
2. The first prefabricated plate and the second prefabricated plate are of rectangular blocky structures, the number of the clamping grooves is two pairs, the first pair of clamping grooves is located at the top of the prefabricated plate of the rectangular blocky structure, the second pair of clamping grooves is located at the bottom of the prefabricated plate of the rectangular blocky structure, namely, two connecting blocks are connected and supported between the upper edges of the first prefabricated plate and the second prefabricated plate, the two connecting blocks are connected and supported between the lower edges of the first prefabricated plate and the second prefabricated plate, and the structural stability of a forming die obtained by combination is further guaranteed. The cross section of each clamping groove is trapezoidal, the top surfaces of the large openings of the trapezoidal clamping grooves are positioned on the outer side surfaces of the prefabricated plates, the bottom surfaces of the small openings of the trapezoidal clamping grooves are positioned on the inner side surfaces of the prefabricated plates, the clamping grooves extend along the height direction, the first pair of clamping grooves are communicated with the top surfaces of the first prefabricated plate and the second prefabricated plate, the second pair of clamping grooves are communicated with the bottom surfaces of the first prefabricated plate and the second prefabricated plate, namely, the first pair of connecting blocks are inserted downwards from the upper parts of the first prefabricated plate and the second prefabricated plate and are matched with the corresponding clamping grooves, the second pair of connecting blocks are inserted upwards from the lower parts of the first prefabricated plate and the second prefabricated plate and are matched with the corresponding clamping grooves, the assembling process is simple and convenient, interference is avoided, the assembling precision is high, and when concrete is poured in a space between the first prefabricated plate and the second prefabricated plate, the concrete extrudes the first prefabricated plate outwards, And the second prefabricated plate ensures that the first prefabricated plate, the second prefabricated plate and the connecting block are connected more tightly, so that the stability of the forming die is ensured.
3. The clamping tongues at the two ends of the first pair of connecting blocks are located above the connecting block body, the clamping tongues at the two ends of the second pair of connecting blocks are located below the connecting block body, on the basis of ensuring the connection strength between the first prefabricated plate and the second prefabricated plate, the connecting block bodies of the first pair of connecting blocks and the connecting block bodies of the second pair of connecting blocks are located in the space range between the first prefabricated plate and the second prefabricated plate, and when a plurality of forming dies are overlapped and/or arranged and combined, the connecting blocks of the upper and lower adjacent forming dies are prevented from interfering, so that the prefabricated plates of the adjacent forming dies are in tight butt joint.
4. The connecting block is equipped with the reinforcing bar supporting hole that runs through, and during the reinforcing bar supporting hole that reinforced material passed these connecting blocks along the horizontal direction, guaranteed reinforced material at the position stability of pouring concrete in-process, satisfied construction requirements.
5. The wall surface system provided by the invention comprises any one of the combined templates, concrete blocks formed in the space between the combined templates and a reinforced material, wherein one end of the reinforced material is positioned by the concrete blocks, and the other end of the reinforced material extends out of the combined template and is used for being pressed and positioned by backfill soil. The wall surface construction system is convenient and quick, the forming precision is high, on-site formwork erecting or large-scale equipment hoisting is not needed, the labor intensity and the construction cost are reduced, at least one forming die is quickly connected with concrete in the forming die into a whole to form the wall surface system, and the wall surface system is tensioned and positioned through the reinforced material, so that the stability of the wall surface system is effectively guaranteed.
6. The concrete block is provided with the steel bars, the steel bars extend along the horizontal direction and are supported in the steel bar supporting holes of the connecting blocks, and the concrete block is used for reinforcing the structural strength of a wall surface system and meeting the performance requirements of filling and retaining engineering.
The following description is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view showing the construction of a first prefabricated panel according to the present invention;
FIG. 2 is a schematic structural view of a connecting block according to the present invention;
FIG. 3 is a schematic structural view of a molding die of the present invention;
fig. 4 is a schematic view of the wall system of the present invention.
In the attached drawings, 1 is a first precast slab, 2 is a second precast slab, 3 is a connecting block, 4 is a clamping groove, 5 is a clamping tongue, and 6 is a reinforcing steel bar supporting hole.
Detailed Description
Example 1
Referring to fig. 1 to 3, the sectional form for a reinforced retaining wall cast-in-place wall surface includes at least one forming die. The forming die comprises a first prefabricated plate 1, a second prefabricated plate 2 and at least two connecting blocks 3, wherein the first prefabricated plate 1 and the second prefabricated plate are of the same specification, the first prefabricated plate and the second prefabricated plate are usually designed to be rectangular block-shaped plates with thickness and are made of polymer matrix composite materials, resin concrete, high polymer materials or reinforced concrete, and the number of the connecting blocks 3 is four. The first prefabricated plate 1 and the second prefabricated plate 2 are respectively provided with four clamping grooves 4, the number of the clamping grooves 4 is matched with that of the connecting blocks 3, namely, the number of the clamping grooves is four, a first pair of the clamping grooves are positioned at the top of the prefabricated plate with the rectangular blocky structure, a second pair of the clamping grooves are positioned at the bottom of the prefabricated plate with the rectangular blocky structure, and each pair of the clamping grooves are symmetrically distributed along the center of the prefabricated plate. The cross section of the clamping groove 4 is trapezoidal, the large opening end of the trapezoidal clamping groove is located on the outer side face of the prefabricated plate, the small opening end of the trapezoidal clamping groove is located on the inner side face of the prefabricated plate, the clamping grooves extend in the height direction, the first pair of clamping grooves are communicated with the top faces of the first prefabricated plate and the second prefabricated plate, and the second pair of clamping grooves are communicated with the bottom faces of the first prefabricated plate and the second prefabricated plate. The two ends of the connecting block 3 are respectively provided with the clamping tongues 5 matched with the clamping grooves 4, in the embodiment, the clamping tongues at the two ends of the first pair of connecting blocks are located above the connecting block body, the clamping tongues at the two ends of the second pair of connecting blocks are located below the connecting block body, the connecting block 3 is provided with the through reinforcing steel bar supporting hole 6, obviously, the first pair of connecting blocks and the second pair of connecting blocks are identical in structural size, and the second pair of connecting blocks are arranged in an inverted mode relative to the first pair of connecting blocks. The connecting blocks 3 are arranged between the first prefabricated plate 1 and the second prefabricated plate 2, the first pair of connecting blocks are inserted downwards from the upper parts of the first prefabricated plate and the second prefabricated plate and are matched with the corresponding clamping grooves, and the second pair of connecting blocks are inserted upwards from the lower parts of the first prefabricated plate and the second prefabricated plate and are matched with the corresponding clamping grooves to form a forming die in a combined mode. One forming die or a plurality of forming dies are overlapped and/or arranged and combined to form the combined type template for the reinforced retaining wall cast-in-place wall surface.
Example 2
Adopt reinforced earth barricade cast-in-place wall to construct wall system with combination formula template of embodiment 1
Referring to fig. 4, according to the requirements of construction drawings, a forming die (minimum unit) or a plurality of forming dies are adopted, arranged and combined on a strip foundation, and combined to obtain a bottom combined template, one end of a reinforcement material of each forming die of the bottom combined template is positioned in a cavity of the combined template, the other end of the reinforcement material extends out of the cavity after being coiled for a plurality of circles in the cavity, and is positioned in a backfill soil area, and steel bars can be arranged in the combined template cavity of the bottom according to requirements, then concrete is poured into the combined template cavity of the bottom, backfill soil with a certain thickness is filled into the backfill soil area after forming, the extending end of the reinforcement material is pressed and positioned, the combined template of the bottom is tensioned and positioned, then the forming dies are overlapped on the combined template of the bottom according to requirements, reinforcement materials are repeatedly arranged, and the steel bars are arranged according to requirements, and pouring concrete, and continuously backfilling backfill with a certain thickness until a wall surface system with the specified height is obtained.
Claims (8)
1. A method for constructing a wall surface system by using a combined template for a reinforced retaining wall cast-in-place wall surface is characterized in that the combined template for the reinforced retaining wall cast-in-place wall surface comprises at least one forming die,
the forming die comprises a first prefabricated plate (1), a second prefabricated plate (2) and at least two connecting blocks (3) with the same specification,
the first precast slab (1) and the second precast slab (2) are respectively provided with a clamping groove (4), the number of the clamping grooves (4) is adapted to the number of the connecting blocks (3),
two ends of the connecting block (3) are respectively provided with a clamping tongue (5) matched with the clamping groove (4),
the connecting block (3) is arranged between the first precast slab (1) and the second precast slab (2) and is matched with the clamping groove (4) through the clamping tongue (5) to form a forming die in a combined manner,
one forming die or a plurality of forming dies are overlapped and/or arranged and combined to form the combined template for the reinforced retaining wall cast-in-place wall surface,
the wall surface system comprises combined templates for reinforced retaining wall cast-in-place wall surfaces, concrete blocks formed in spaces among the combined templates, and reinforced materials, wherein one ends of the reinforced materials are positioned by the concrete blocks, the other ends of the reinforced materials extend out of the combined templates and are used for being pressed and positioned through backfilling,
the method comprises the following steps:
1) selecting a proper number of forming dies, arranging and combining the forming dies on a strip-shaped foundation to obtain a bottom-layer combined template;
2) one end of the reinforced material is placed in the corresponding forming die, and the other end of the reinforced material extends out of the forming die and is positioned in a backfill soil area;
3) sealing the front end and the rear end of the combined template at the bottom layer;
4) pouring concrete into the combined type template cavity of the bottom layer, backfilling backfill soil into the backfilling area after the concrete is formed into a concrete block, wherein the backfilling height of the backfill soil is not more than the height of the combined type template of the bottom layer;
5) according to design requirements, overlapping forming dies on the combined template at the bottom layer to obtain a combined template at the upper layer;
6) and repeating the steps 2) -4) until a wall surface system with the specified height is obtained.
2. The method of claim 1, wherein: the first prefabricated plate (1) and the second prefabricated plate (2) are of rectangular block structures, the number of the clamping grooves (4) is two, the first pair of clamping grooves are located at the tops of the prefabricated plates of the rectangular block structures, and the second pair of clamping grooves are located at the bottoms of the prefabricated plates of the rectangular block structures.
3. The method of claim 2, wherein: the cross section of each clamping groove (4) is trapezoidal, the large opening end of each trapezoidal clamping groove is located on the outer side face of each prefabricated plate, the small opening end of each trapezoidal clamping groove is located on the inner side face of each prefabricated plate, each clamping groove extends in the height direction, the first pair of clamping grooves are communicated with the top faces of the first prefabricated plate and the second prefabricated plate, and the second pair of clamping grooves are communicated with the bottom faces of the first prefabricated plate and the second prefabricated plate.
4. The method of claim 3, wherein: the number of the connecting blocks (3) is two, the first pair of connecting blocks are respectively matched with the first pair of clamping grooves and are positioned at the upper part of a space between the first prefabricated plate and the second prefabricated plate, and the second pair of connecting blocks are respectively matched with the second pair of clamping grooves and are positioned at the lower part of the space between the first prefabricated plate and the second prefabricated plate.
5. The method of claim 4, wherein: the clamping tongues at the two ends of the first pair of connecting blocks are located above the connecting block body, the clamping tongues at the two ends of the second pair of connecting blocks are located below the connecting block body, and the connecting block (3) is provided with a through reinforcing steel bar supporting hole (6).
6. The method according to any one of claims 1 to 5, wherein: the first precast slab and the second precast slab are prepared from polymer matrix composite materials or resin concrete or high polymer materials or reinforced concrete.
7. The method of claim 1, wherein: the concrete block is provided with reinforcing steel bars, and the reinforcing steel bars extend along the horizontal direction and are supported in reinforcing steel bar supporting holes of the connecting blocks.
8. The method according to claim 1, wherein a plate or a formed wall system seal is adopted in the step 3), and a horizontally extending reinforcing steel bar is arranged in the combined formwork in the step 1) and/or the step 5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110952458.7A CN113482042B (en) | 2021-08-19 | 2021-08-19 | Combined template for reinforced retaining wall cast-in-place wall surface, wall surface system and construction method of wall surface system |
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| CN113482042B true CN113482042B (en) | 2022-08-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07268881A (en) * | 1994-03-30 | 1995-10-17 | Daishiyuu Kensetsu:Kk | Method of concrete casting, and formwork |
| TW200724753A (en) * | 2005-12-27 | 2007-07-01 | Yu-Lun Peng | Structure of assembled preload retaining wall |
| CN103912116A (en) * | 2014-04-04 | 2014-07-09 | 华浚塑料建材有限公司 | PVC building wall connection module |
| CN105586984B (en) * | 2016-02-29 | 2018-05-01 | 四川睿铁科技有限责任公司 | A kind of quick-assembling cast-type reinforced earth bulkhead and its construction method |
| CN213653513U (en) * | 2020-08-06 | 2021-07-09 | 中国安能集团第三工程局有限公司 | Retaining wall rapid construction template for water conservancy construction |
| CN213773448U (en) * | 2020-09-29 | 2021-07-23 | 郭瑞华 | Retaining wall template |
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