CN111519641A - Water stop box mold of cast-in-place concrete independent foundation and construction method - Google Patents
Water stop box mold of cast-in-place concrete independent foundation and construction method Download PDFInfo
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- CN111519641A CN111519641A CN202010481096.3A CN202010481096A CN111519641A CN 111519641 A CN111519641 A CN 111519641A CN 202010481096 A CN202010481096 A CN 202010481096A CN 111519641 A CN111519641 A CN 111519641A
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- independent foundation
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- cast
- partition plate
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 10
- 241000251133 Sphyrna tiburo Species 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Revetment (AREA)
Abstract
The invention relates to a water stop tank mould of a cast-in-place concrete independent foundation, which comprises a sleeve tank, wherein the top of the sleeve tank is provided with a lifting lug, the bottom of the sleeve tank is provided with a bottom sealing partition plate, and the length and width of the sleeve tank are matched with the length and width of the independent foundation; the construction method of the cast-in-place concrete independent foundation adopts the water stop box mold, the box mold of the structure is hoisted into water according to the lofting position of each preset independent foundation and is respectively placed at the corresponding position, and the wall top of the box mold is uniformly knocked by adopting a shovel head of a backhoe excavator in the sinking process so as to ensure that the box mold is stably sunk to the preset elevation; dredging the base of the box mold; the back cover partition plate is tiled, and the inserted pin is inserted into the fixing ring, so that all the splicing blocks of the back cover partition plate are firmly connected with each other; smearing waterproof materials at the joint positions; and (4) hoisting the bound reinforcement cage into a box mould for fixing, and directly pouring concrete into the box mould.
Description
Technical Field
The invention relates to a building construction device, in particular to a water stop box mold device for constructing a cast-in-place concrete independent foundation in riverbed and silt geology.
Background
In the prior art, the construction of the cast-in-place concrete independent foundation is carried out on shallow riverbeds and mucky soil geology, and two methods are generally adopted: the first method is to construct foundation pits outside foundation groups, construct cofferdams or waterproof curtains around the foundation pits, create working surfaces for each independent foundation, remove riverbed sludge in the range of the foundation pits by adopting an excavator, bind reinforcing steel bars on the working surfaces, support templates and finally perform concrete pouring construction. The second method is that the island is built at the position of a foundation to form a platform surface layer, the upper part is positioned and excavated according to the foundation, the periphery assists in precipitation, the interior of the foundation pit is guaranteed to be dry, foundation reinforcing steel bars are bound, a template is erected, and independent foundation concrete pouring is carried out.
The two methods have defects: 1) the water interception and water stop process is complex, and the preparation work at the early stage is various; 2) the procedures of water interception, material turnover, installation, disassembly and the like are multiple, and the construction cost is high; 3) the cross operation is more, and the construction speed is slow; 4) the operation procedures of the silt foundation pit are multiple, the period is long, and the potential safety hazard is large. The construction technicians suffering from the defects of the conventional cast-in-place construction of the independent foundation on the shoal riverbed and the mucky soil become a technical problem to be solved urgently by the technicians in the field.
Disclosure of Invention
The invention aims to overcome the defects in the construction of the cast-in-place concrete independent foundation in the geology of shoal riverbeds and silt, and particularly comprises the following steps: on one hand, the preparation in the early stage is various, and on the other hand, the construction process is complex and the construction cost is high; multiple cross operations and great potential safety hazard.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
a water stopping box mould of a cast-in-place concrete independent foundation comprises a sleeve box formed by enclosing four side plates, wherein a lifting lug is arranged at the top of the sleeve box, a bottom sealing partition plate is arranged at the bottom of the sleeve box, and the length and width of the sleeve box are matched with those of the independent foundation; the back cover baffle passes through hinge and pouring jacket swing joint, establishes fixed knot on the back cover baffle and constructs, and fixed knot constructs the state that the back cover baffle seals the pouring jacket bottom surface.
This stagnant water case mould is applied to the construction of the independent basis of cast in situ concrete on the shoal riverbed, compares with prior art: the existing method is to construct cofferdams or waterproof curtains outside foundation groups, and form an installation environment in a foundation pit for foundation construction or island construction and excavation, but compared with the prior art, the water-stop box mould has the advantages of small volume, low cost and easy manufacture; the box mould is flexible to use, can construct a single foundation independently, has a small dredging range, and reduces the water interception process.
The following are preferred embodiments of the present invention:
the bottom sealing partition board is a rectangle formed by splicing a left combination board and a right combination board, the outer sides of the two combination boards are respectively connected with the side board of the sleeve box through hinges, and the inner sides of the two combination boards are free ends which are opened and closed relatively.
The bottom sealing partition board is a rectangle formed by splicing four triangular combination boards; the four combined boards are respectively connected with the bottom edges of the four side boards of the case through hinges, and the vertex angles of the four triangular combined boards are free ends which can be opened and closed relatively.
The fixing structure consists of a fixing ring and a straight rod bolt, and the fixing ring is arranged on two sides of a splicing seam between the combined plates; a straight rod bolt spanning the splicing seam is arranged in the fixed ring.
The fixing ring is in a horseshoe shape, a straight rod, a bolt and a pin rod are provided with a flat side face, and the side face is attached to the bottom sealing partition plate.
The inner sides of the side plates forming the sleeve box are provided with hooks, and the hooks are connected with the free ends of the combined plates of the bottom sealing partition plate through pull ropes.
Splicing materials are arranged at the joint of the periphery of the bottom sealing partition plate and the sleeve box; splicing seams of the combined plates spliced into the back cover partition plate are provided with splicing materials.
The splicing material is a waterproof material or a waterproof adhesive tape which is coated on site.
The invention also provides a construction method of the cast-in-place concrete independent foundation, the water stop box mold is adopted in construction, and the concrete operation steps are as follows:
firstly, manufacturing a suit case with the same size and waterproof periphery according to the length and width of an independent foundation;
secondly, welding lifting lugs on the outer wall of the top of each side plate of the enclosed complete box, and welding and fixedly connecting hooks on the inner wall;
thirdly, hinges are arranged at the bottoms of the side plates of the enclosed pouring jacket, and the combined plates of the bottom sealing partition plates are fixedly connected with the hinges respectively to assemble a box mould;
fourthly, welding fixing rings at two sides of the splicing seams of the combination boards, and configuring straight rod type bolts with matched sizes;
fifthly, hoisting each box mould into water, respectively placing the box mould at each setting position of each preset independent foundation, and uniformly knocking the wall top of the box mould by using a shovel head of a backhoe excavator in the sinking process to enable the box mould to stably sink to a preset elevation;
sixthly, excavating and removing sludge on the base of the box mould by using a grab excavator;
seventhly, the back cover partition plate is tiled, and the bolt is inserted into the fixing ring, so that all the splicing blocks of the back cover partition plate are firmly connected with each other;
eighthly, coating waterproof materials on the periphery of the back cover partition plate and the splicing seams of the combined plates;
and step nine, hoisting the bound embedded reinforcement cages into the box molds, fixing, and pouring concrete into each box mold respectively.
Compared with the prior construction method, the construction method has the advantages that: (1) the independent box mold is simple in manufacturing process and low in manufacturing cost; (2) preparation work in the early stage of construction is less, water interception work of a large cofferdam is omitted, and construction speed is high; (3) the construction forms the construction of the dispersive array, the construction range is limited only within each water stop tank, the construction range is small, and the influence on the surrounding environment is small; (4) no cross operation, less construction process and high speed. The construction method can be expanded and applied to more projects.
In the construction, before the box mould enters water, a pull rope is adopted, one end of the pull rope is fixedly connected with the hook, and the other end of the pull rope is fixedly connected with the free end of each combined plate of the bottom sealing partition plate, so that the combined plates are fixed in an upward-facing state.
In the construction, the grab excavator stretches into the box mold to wipe sludge at the bottom of the box mold.
Drawings
FIG. 1 is a view showing the structure of the present water tank;
FIG. 2 is a first example of the structure of the bottom sealing partition of the water-stop tank;
FIG. 3 is a second embodiment of the bottom sealing partition structure of the water-stop tank;
FIG. 4 is a top view structure of the present water stop tank;
fig. 5 a securing and latching structure.
In the figure: the side plate comprises a side plate 1, a hook 2, a lifting lug 3, a back cover partition plate 4, a hinge 5, a fixing ring 6, a bolt 7 and a splicing seam 8.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a water stop tank mould of a cast-in-place concrete independent foundation, which comprises a sleeve tank enclosed by four side plates 1, wherein a lifting lug 2 is arranged at the top of the sleeve tank, and a bottom sealing partition plate 4 is arranged at the bottom of the sleeve tank, as shown in figure 1. The lifting lug is used for lifting and moving the box mould.
The length and width of the sleeve box are matched with those of the independent foundation; the back cover partition plate 4 is movably connected with the jacket through a hinge 5, and a fixing structure is arranged on the back cover partition plate 4 and used for fixing the plane of the back cover partition plate 4 to enable the back cover partition plate to seal the bottom surface of the jacket.
The bottom sealing partition plate is designed into a movable structure, so that the bottom of the box mould is an open port when the box mould enters water, the resistance of the water is reduced, and the bottom sealing partition plate can close the bottom surface of the jacketed box after the position of the box mould is fixed. Specifically, the back cover partition plate 4 is a structure formed by splicing a plurality of plate blocks. In the first embodiment, as shown in fig. 2, the bottom-sealing partition plate 4 is formed by splicing a left combination plate and a right combination plate, wherein the outer sides of the two combination plates are respectively connected with the side plates 1 of the casing through hinges 5, and the inner sides of the two combination plates are free ends which are relatively opened and closed. Example two referring to fig. 3 and 4, the back cover partition plate 4 is a rectangle formed by splicing four triangular combination boards; hinges 5 are arranged on the bottom edges of the side plates 1 forming the sleeve box, the hinges 5 are connected with the triangular plates of the bottom sealing partition plate 4, and the vertex angles of the triangular plates are free ends capable of being opened and closed relatively. When the combined plates are folded, the plate surfaces of the bottom sealing partition plates 4 are spliced, and the bottom of the jacket box is closed. The back cover clapboard can also be a whole plate surface which rotates by taking the hinge as a shaft. The purpose of reducing water resistance can be realized as long as the opening and closing change of the bottom surface of the sleeve box is realized.
The fixing structure of the back cover partition plate 4 is a structure for realizing the splicing and fixing functions of all the combination plates and also a structure for enabling the back cover partition plate 4 to seal the bottom of the jacket box. Specifically, the fixing structure designed by the invention consists of a fixing ring 6 and a straight rod bolt 7. The fixing rings 6 are arranged on two sides of the splicing seams 8 between the combined plates; the fixing ring 6 is provided with a bolt 7 which spans the splicing seam 8. Preferably, the straight rod bolt 7 and the split joint 8 are perpendicular to each other. Preferably, as shown in fig. 5, the fixing ring is horseshoe-shaped, and the straight rod pin has a flat side surface, which is attached to the back cover partition plate.
According to the invention, the back cover clapboard 4 is arranged at the bottom of the pouring jacket through the hinge 5, the bottom surface of the pouring jacket is kept in an open state when the pouring jacket enters water, but in the process, each combined plate of the back cover clapboard 4 is not in a sagging state, otherwise, the pouring jacket blocks a pouring bed (sitting in a riverbed), and a limiting structure can be arranged for avoiding the sagging of the back cover clapboard 4, wherein the limiting structure can limit the rotation degree of the hinge and can also limit the back cover clapboard. The limiting structure designed by the invention takes a bottom sealing partition plate 4 formed by splicing four triangular plates as an example, the inner side of a side plate 1 of a sleeve box is provided with a hook 8 and a pull rope structure, one end of the pull rope is fixed on the hook 8, and the other end of the pull rope is fixed at the free end of the triangular plate. The pull rope lifts the combined plate to keep the combined plate in a state of upward elevation, so that the triangular plate is prevented from sagging.
The bottom sealing partition plate 4 of the water stop tank mold is of an underwater structure, further, a splicing material is arranged at the joint of the periphery of the bottom sealing partition plate 4 and the sleeve box, and a splicing seam of each combined plate spliced into the bottom sealing partition plate 4 is also provided with the splicing material. The caulking material ensures the sealing of the bottom of the box mould. The waterproof material can be coated on site according to the trend of the splicing seams, and the waterproof adhesive tape can also be manufactured according to the size of the splicing seams and is clamped between the splicing blocks of the two bottom sealing partition plates when in use.
The construction method of the water stop box mold applying the cast-in-place concrete independent foundation comprises the following steps:
firstly, manufacturing a suit case with the same size and waterproof periphery according to the length and width of an independent foundation;
secondly, welding lifting lugs on the outer wall of the top of each side plate of the enclosed complete box, and welding and fixedly connecting hooks on the inner wall;
thirdly, hinges are arranged at the bottoms of the side plates of the enclosed pouring jacket, and the combined plates of the bottom sealing partition plates are fixedly connected with the hinges respectively to assemble a box mould;
fourthly, welding fixing rings at two sides of the splicing seams of the combination boards, and configuring straight rod type bolts with matched sizes;
fifthly, hoisting each box mould into water, respectively placing the box mould at each setting position of each preset independent foundation, and uniformly knocking the wall top of the box mould by using a shovel head of a backhoe excavator in the sinking process to enable the box mould to stably sink to a preset elevation;
sixthly, excavating and removing sludge on the base of the box mould by using a grab excavator;
seventhly, the back cover partition plate is tiled, and the bolt is inserted into the fixing ring, so that all the splicing blocks of the back cover partition plate are firmly connected with each other;
eighthly, coating waterproof materials on the periphery of the back cover partition plate and the splicing seams of the combined plates;
and step nine, hoisting the bound embedded reinforcement cages into the box molds, fixing, and pouring concrete into each box mold respectively.
The construction method of the cast-in-place concrete independent foundation of the riverbed and sludge foundation is described in detail below by combining with engineering examples. See figures 1-4:
1. four steel plates 1400mm multiplied by 1500mm multiplied by 3mm (length multiplied by height multiplied by thickness) are adopted to be fully welded along adjacent seams in the height direction to form a sleeve box which is formed by surrounding four side plates 1, four lifting lugs 3 are welded on the outer wall of the top end of each sleeve box side plate 1, and a hook 2 is welded on each side of the inner wall. The hook is made of a steel bar with the diameter of 6 mm. Hinge 5 is welded at the bottom of the side plate, and in the embodiment, two hinges 5 of 100mm × 60mm × 2mm are welded on each side plate 1 of the sleeve box.
2. A2 mm thick steel plate is found and cut into the bottom surface of the jacket along the size edge of the jacket, and then the bottom surface is cut into four triangular plates along the diagonal line of the rectangular bottom-sealing partition plate 4. The four triangular plates of the back cover partition plate 4 are respectively and firmly welded with the hinge 2, so that each triangular plate can rotate.
3. The pull rope is fixed on the hook 2 on the inner wall of the side plate around the sleeve box, and the other end of the pull rope is fixed on the free end of the triangular plate. The stay cord is used for guaranteeing that the back cover baffle is the state of opening at the stagnant water case mould sinks to the elevation in-process, prevents that the triangle-shaped board from dropping down suddenly.
4. Two fixing rings 6 are symmetrically welded at positions of 100mm on two sides of the bottom sealing partition plate 4 along the diagonal splicing seam 8, the diameter of each fixing ring 6 is 13mm, and two groups of the bottom sealing partition plates 4 are welded in the diagonal direction;
5. during construction, when the water stop tank mold device sinks to a specified elevation position in a riverbed and sludge, the pull rope of the bottom sealing partition plate 4 is pulled off, the four triangular plates are put down and laid flat, and the splicing seams 8 of the bottom sealing partition plate 4 are sealed by a splicing material;
7. the bolts 7 are made of steel bars with the diameter of 12mm, and the bolts 7 are arranged in the four fixing rings 6 across the splicing seams 8.
The invention is suitable for the construction of the cast-in-place concrete independent foundation in the riverbed, and compared with the prior construction method, the invention has the advantages that: 1) the independent box mold is simple in manufacturing process and low in manufacturing cost; 2) preparation work in the early stage of construction is less, water interception work of a large cofferdam is omitted, and construction speed is high; 3) the construction forms the construction of the dispersive array, the construction range is limited only within each water stop tank, the construction range is small, and the influence on the surrounding environment is small; 4) no cross operation, less construction process and high speed. The construction method can be expanded and applied to more projects.
Claims (10)
1. The utility model provides a stagnant water case mould of independent basis of cast in situ concrete, includes and encloses the pouring jacket that closes and form by four curb plates, and the pouring jacket top is equipped with the lug, and the back cover baffle, its characterized in that are established to the pouring jacket bottom: the length and width of the sleeve box are matched with those of the independent foundation; the back cover baffle passes through hinge and pouring jacket swing joint, establishes fixed knot on the back cover baffle and constructs, and fixed knot constructs the state that the back cover baffle seals the pouring jacket bottom surface.
2. The water stop tank mould of the cast-in-place concrete independent foundation as claimed in claim 1, characterized in that: the bottom sealing partition board is a rectangle formed by splicing a left combination board and a right combination board, the outer sides of the two combination boards are respectively connected with the side board of the sleeve box through hinges, and the inner sides of the two combination boards are free ends which are opened and closed relatively.
3. The water stop tank mould of the cast-in-place concrete independent foundation as claimed in claim 1, characterized in that: the bottom sealing partition board is a rectangle formed by splicing four triangular combination boards; the four combined boards are respectively connected with the bottom edges of the four side boards of the case through hinges, and the vertex angles of the four triangular combined boards are free ends which can be opened and closed relatively.
4. A water stop tank mould for an independent foundation of cast-in-place concrete according to claim 2 or 3, characterized in that: the fixing structure consists of a fixing ring and a straight rod bolt, and the fixing ring is arranged on two sides of a splicing seam between the combined plates; a straight rod bolt spanning the splicing seam is arranged in the fixed ring.
5. The water stop tank mould of the cast-in-place concrete independent foundation as claimed in claim 4, characterized in that: the fixing ring is in a horseshoe shape, a straight rod, a bolt and a pin rod are provided with a flat side face, and the side face is attached to the bottom sealing partition plate.
6. A water stop tank mould for an independent foundation of cast-in-place concrete according to claim 2 or 3, characterized in that: the inner sides of the side plates forming the sleeve box are provided with hooks, and the hooks are connected with the free ends of the combined plates of the bottom sealing partition plate through pull ropes.
7. The water stop tank mould of the cast-in-place concrete independent foundation as claimed in claim 5, characterized in that: splicing materials are arranged at the joint of the periphery of the bottom sealing partition plate and the sleeve box; splicing seams of the combined plates spliced into the back cover partition plate are provided with splicing materials.
8. The water stop tank mold of the cast-in-place concrete independent foundation as claimed in claim 7, wherein: the splicing material is a waterproof material or a waterproof adhesive tape which is coated on site.
9. A construction method of a cast-in-place concrete independent foundation, wherein the water stop box mould as claimed in claim 1 is adopted in construction, and the concrete operation steps are as follows:
firstly, manufacturing a suit case with the same size and waterproof periphery according to the length and width of an independent foundation;
secondly, welding lifting lugs on the outer wall of the top of each side plate of the enclosed complete box, and welding and fixedly connecting hooks on the inner wall;
thirdly, hinges are arranged at the bottoms of the side plates of the enclosed pouring jacket, and the combined plates of the bottom sealing partition plates are fixedly connected with the hinges respectively to assemble a box mould;
fourthly, welding fixing rings at two sides of the splicing seams of the combination boards, and configuring straight rod type bolts with matched sizes;
fifthly, hoisting each box mould into water, respectively placing the box mould at each setting position of each preset independent foundation, and uniformly knocking the wall top of the box mould by using a shovel head of a backhoe excavator in the sinking process to enable the box mould to stably sink to a preset elevation;
sixthly, excavating and removing sludge on the base of the box mould by using a grab excavator;
seventhly, the back cover partition plate is tiled, and the bolt is inserted into the fixing ring, so that all the splicing blocks of the back cover partition plate are firmly connected with each other;
eighthly, coating waterproof materials on the periphery of the back cover partition plate and the splicing seams of the combined plates;
and step nine, hoisting the bound embedded reinforcement cages into the box molds, fixing, and pouring concrete into each box mold respectively.
10. The construction method of the cast-in-place concrete independent foundation according to claim 9, characterized in that: during construction, before the box mould enters water, a pull rope is adopted, one end of the pull rope is fixedly connected with the hook, and the other end of the pull rope is fixedly connected with the free end of each combined plate of the bottom sealing partition plate, so that the combined plates are fixed in an upward-facing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481096.3A CN111519641B (en) | 2020-05-31 | 2020-05-31 | Water stop box mold of cast-in-place concrete independent foundation and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481096.3A CN111519641B (en) | 2020-05-31 | 2020-05-31 | Water stop box mold of cast-in-place concrete independent foundation and construction method |
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| Publication Number | Publication Date |
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| CN111519641A true CN111519641A (en) | 2020-08-11 |
| CN111519641B CN111519641B (en) | 2024-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101172356A (en) * | 2004-01-20 | 2008-05-07 | 邱则有 | A formwork component shaping mould |
| CN101293378A (en) * | 2004-01-20 | 2008-10-29 | 邱则有 | Mould shell component shaping mould |
| CN205668317U (en) * | 2016-06-02 | 2016-11-02 | 中铁三局集团有限公司 | Isolated gate mixes earth column mould |
| CN207485449U (en) * | 2017-08-17 | 2018-06-12 | 中铁上海工程局集团有限公司 | A kind of formwork jumbo for construction |
| CN110374120A (en) * | 2019-07-22 | 2019-10-25 | 中铁大桥局集团有限公司 | A kind of precast-boxed cofferdam monoblock type is put more energy into back cover construction method |
| CN212316967U (en) * | 2020-05-31 | 2021-01-08 | 中国二十二冶集团有限公司 | Water stopping tank mould of cast-in-place concrete independent foundation |
-
2020
- 2020-05-31 CN CN202010481096.3A patent/CN111519641B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172356A (en) * | 2004-01-20 | 2008-05-07 | 邱则有 | A formwork component shaping mould |
| CN101293378A (en) * | 2004-01-20 | 2008-10-29 | 邱则有 | Mould shell component shaping mould |
| CN205668317U (en) * | 2016-06-02 | 2016-11-02 | 中铁三局集团有限公司 | Isolated gate mixes earth column mould |
| CN207485449U (en) * | 2017-08-17 | 2018-06-12 | 中铁上海工程局集团有限公司 | A kind of formwork jumbo for construction |
| CN110374120A (en) * | 2019-07-22 | 2019-10-25 | 中铁大桥局集团有限公司 | A kind of precast-boxed cofferdam monoblock type is put more energy into back cover construction method |
| CN212316967U (en) * | 2020-05-31 | 2021-01-08 | 中国二十二冶集团有限公司 | Water stopping tank mould of cast-in-place concrete independent foundation |
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|---|---|
| CN111519641B (en) | 2024-05-17 |
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