CN110528701B - Steel bar anchoring connection structure and connection method of prefabricated concrete member - Google Patents
Steel bar anchoring connection structure and connection method of prefabricated concrete member Download PDFInfo
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- CN110528701B CN110528701B CN201910785547.XA CN201910785547A CN110528701B CN 110528701 B CN110528701 B CN 110528701B CN 201910785547 A CN201910785547 A CN 201910785547A CN 110528701 B CN110528701 B CN 110528701B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
Abstract
The invention discloses a reinforcing steel bar anchoring connection structure of a prefabricated assembled concrete member, which comprises a polyvinyl chloride waterproof coiled material, wherein a ferric chloride waterproof concrete layer is arranged on the polyvinyl chloride waterproof coiled material, four groups of prefabricated side plates are arranged on the ferric chloride waterproof concrete layer and are mutually welded through TIG, concrete grouting structures are arranged in the four groups of prefabricated side plates, a metal mesh is laid on the bottom side of each concrete grouting structure, and a plurality of vertical reinforcing steel bars and a plurality of transverse reinforcing steel bars are respectively arranged in each concrete grouting structure. According to the invention, the cohesion of the bottom side of the slurry is increased by laying the metal mesh, the slip is not easy to occur, the uneven settlement of the slurry is reduced, the positioning bulge is arranged to ensure that the polyvinyl chloride waterproof coiled material cannot be dislocated and deviated, and meanwhile, the polyvinyl chloride waterproof coiled material product has the characteristics of high tensile strength, high elongation, small shrinkage, good low-temperature flexibility, long service life and the like, and can well prevent the foundation from being damped and unstable.
Description
Technical Field
The invention relates to the technical field of prefabricated building concrete components, in particular to a steel bar anchoring connection structure and a steel bar anchoring connection method of a prefabricated concrete component.
Background
Buildings assembled from prefabricated parts at the site are called fabricated buildings. The prefabricated parts are divided into five types, namely block building, plate building, box building, skeleton plate building and rising-rise building according to the form and construction method, and with the development of modern industrial technology, the built house can be manufactured in batches like machine production. The prefabricated house components are transported to the construction site to be assembled, and the appearance of the early assembled building is stiff and uniform. Later improvements in design have resulted in increased flexibility and versatility to allow modular construction not only in batch, but also in a wide variety of styles.
The firm in connection intensity of its prefabricated component of prefabricated building among the prior art remains to be improved, and its each prefabricated component's fixed effect is limited during the assembly, can make the holistic fastness of building not high, and during unusual slip material phenomenon appears easily between thick liquids and the bottom plate for concrete structure is unstable.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the connection firmness strength of prefabricated components of an assembly type building in the prior art needs to be improved, the fixing effect of each prefabricated component is limited during assembly, the overall firmness of the building is low, and during special grouting, a slip phenomenon easily occurs between slurry and a bottom plate, so that a concrete structure is unstable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a reinforcing bar anchor connection structure of prefabricated assembled concrete component, includes polyvinyl chloride waterproofing membrane, it lays the layer to be equipped with ferric chloride waterproofing concrete on the polyvinyl chloride waterproofing membrane, be equipped with four groups of prefabricated curb plates on the ferric chloride waterproofing concrete layer, four groups prefabricated curb plate passes through TIG welding each other, four groups be equipped with concrete grouting structure in the prefabricated curb plate, the metal mesh has been laid to concrete grouting structure bottom side, be equipped with a plurality of vertical reinforcement and a plurality of transverse reinforcement in the concrete grouting structure respectively, the slot has all been seted up on the prefabricated curb plate, fixed welding has the stand in the slot, the both sides of stand are equipped with strengthening mechanism, every one side of prefabricated curb plate all is equipped with the anchor round pin.
Preferably, the anchor pin comprises a cylindrical section, a hexagonal clamping groove is formed in one end of the cylindrical section, a threaded section is fixedly connected to the other end of the cylindrical section, a bolt section is fixedly connected to one end, far away from the cylindrical section, of the threaded section, a reinforcing edge is arranged on the cylindrical section, and an annular elastic bulge is fixedly connected to one side of the reinforcing edge.
Preferably, a plurality of threaded holes and a plurality of annular grooves are formed in the prefabricated side plate, the threaded holes correspond to the annular grooves one to one, the threaded holes are matched with the threaded sections, and the annular grooves are matched with the annular elastic bulges.
Preferably, the reinforcing mechanism comprises a reinforcing plate, the reinforcing plate is L-shaped, two sides of the reinforcing plate are fixedly welded to the upright post and the prefabricated side plate respectively, and reinforcing ribs are arranged on the reinforcing plate.
Preferably, vertical reinforcing bar and horizontal reinforcing bar are the snake shape, vertical reinforcing bar and the equal fixed connection in horizontal reinforcing bar both ends are on prefabricated curb plate, vertical reinforcing bar and horizontal reinforcing bar are crisscross setting.
Preferably, the metal mesh is a 10 × 10mm grid mesh.
Preferably, a plurality of positioning bulges are symmetrically arranged on the polyvinyl chloride waterproof roll.
A steel bar anchoring connection structure of a prefabricated assembly type concrete member discloses a connection method, which comprises the following steps:
firstly, laying a ferric chloride waterproof concrete layer above a polyvinyl chloride waterproof coiled material, carrying out primary positioning under the action of a positioning protrusion, and then splicing and firmly welding four groups of prefabricated side plates in a rectangular shape in a welding mode of adopting non-melting inert gas shielded arc welding.
And step two, firstly, tiling the metal mesh above the ferric chloride waterproof concrete layer, then arranging the vertical steel bars and the transverse steel bars in a horizontal-vertical staggered manner, and arranging three groups of the vertical steel bars and the transverse steel bars in a total manner, wherein two ends of each vertical steel bar and each transverse steel bar are fixedly inserted into the inner side of the prefabricated side plate.
And step three, mixing the cement paste according to the cement paste ratio (1:1) selected in advance. Weighing quantitative water according to the capacity of the pulping machine, injecting the quantitative water into the pulping machine, weighing cement with corresponding weight according to the water-cement ratio, starting the pulping machine, and adding the cement while stirring. The stirring time is more than 3 minutes, the slurry does not have obvious precipitation, and the cement slurry is poured into a slurry storage barrel after the stirring.
And step four, grouting by a grouting machine, fixing a grouting pipeline, controlling the pipeline to be not too long and to be 30-50 m to prevent pressure loss, and stabilizing the pressure for 2-3 minutes when the grouting amount is less than 1L/min under the specified pressure.
And step five, inserting the upright columns into the corresponding slots for welding and fixing, and then leaning two reinforcing plates against two sides of the upright columns for reinforcing and fixing.
And step six, the tool is clamped into the hexagonal clamping groove, the cylindrical section is rotated to drive the threaded section to be gradually screwed into the threaded hole, meanwhile, the bolt section is disassembled into the concrete grouting structure to be anchored, the reinforcing ribs drive the annular elastic protrusions to be clamped into the annular grooves, the annular elastic protrusions only abut against the inner side walls of the annular grooves, the annular elastic protrusions are elastically deformed to generate elasticity, the matching friction force between the threaded section and the threaded hole is increased under the elastic action of the annular elastic protrusions, and the anchoring pin is effectively prevented from being separated.
Compared with the prior art, the invention has the beneficial effects that:
1. increase the cohesion of thick liquids bottom side through laying the metal mesh, be difficult to appear smooth material, reduce the inhomogeneous settlement of thick liquids, through setting up the protruding polyvinyl chloride waterproofing membrane of assurance location skew that can not misplace, polyvinyl chloride waterproofing membrane product has that tensile strength is big, the percentage elongation is high, the shrinkage factor is little simultaneously, characteristics such as low temperature flexibility is good, long service life, can be fine prevent that the ground from weing unstably.
2. Rotatory cylinder section makes it drive the screw thread section screw in threaded hole gradually, anchor in concrete grouting structure is torn into in the bolt section simultaneously, thereby carry out further reinforcement to prefabricated curb plate, improve the stability of structure, and strengthen the arris and drive annular elastic bulge card and go into in the ring channel, make annular elastic bulge only support the ring channel inside wall, thereby make annular elastic bulge take place elastic deformation and produce elasticity, the cooperation frictional force between screw thread section and the screw hole has been increased under the protruding elastic action of annular elastic bulge, effectively prevent that the anchor round pin from breaking away from.
Drawings
FIG. 1 is a schematic perspective view of a steel bar anchoring connection structure and a connection method of a prefabricated concrete member according to the present invention;
FIG. 2 is a schematic view of a partially cut-away structure of a reinforcement anchoring connection structure and a connection method for a prefabricated concrete member according to the present invention;
fig. 3 is a schematic structural view of an anchoring pin in the steel bar anchoring connection structure and the connection method of the prefabricated concrete member according to the present invention.
In the figure: the concrete grouting structure comprises 1-polyvinyl chloride waterproof coiled materials, 2-ferric chloride waterproof concrete layers, 3-prefabricated side plates, 4-concrete grouting structures, 5-vertical columns, 6-reinforcing plates, 7-anchoring pins, 71-cylindrical sections, 72-reinforcing ribs, 73-threaded sections, 74-bolt sections, 75-annular elastic bulges, 8-positioning bulges, 9-reinforcing ribs, 10-metal nets, 11-threaded holes, 12-annular grooves, 13-slots, 14-vertical steel bars and 15-transverse steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a reinforcing steel bar anchoring connection structure of prefabricated assembled concrete member, comprising a polyvinyl chloride waterproof roll 1, a ferric chloride waterproof concrete layer 2 is arranged on the polyvinyl chloride waterproof roll 1, a plurality of positioning protrusions 8 are symmetrically arranged on the polyvinyl chloride waterproof roll 1, the polyvinyl chloride waterproof roll 1 is ensured not to be dislocated and deviated by arranging the positioning protrusions 8, four groups of prefabricated side plates 3 are arranged on the ferric chloride waterproof concrete layer 2, a plurality of threaded holes 11 and a plurality of annular grooves 12 are arranged on the prefabricated side plates 3, the threaded holes 11 correspond to the annular grooves 12 one by one, the threaded holes 11 are matched with threaded sections 73, the annular grooves 12 are matched with annular elastic protrusions 75, reinforcing ribs 72 drive the annular elastic protrusions 75 to be clamped into the annular grooves 12, so that the annular elastic protrusions 75 only support against the inner side wall of the annular grooves 12, and the matching friction force between the threaded sections 73 and the threaded holes 11 is increased, effectively prevent anchor round pin 7 and break away from, four groups of prefabricated curb plates 3 pass through TIG welding each other, are equipped with concrete grouting structure 4 in the four groups of prefabricated curb plates 3, and metal mesh 10 has been laid to concrete grouting structure 4 bottom side, and metal mesh 10 is 10 x 10mm grid net, increases the cohesion of thick liquids bottom side through laying metal mesh 10.
Be equipped with a plurality of vertical reinforcing bars 14 and a plurality of horizontal reinforcing bar 15 in the concrete grouting structure 4 respectively, vertical reinforcing bar 14 is the snake shape with horizontal reinforcing bar 15, the equal fixed connection in vertical reinforcing bar 14 and horizontal reinforcing bar 15 both ends is on prefabricated curb plate 3, vertical reinforcing bar 14 and horizontal reinforcing bar 15 are crisscross setting, through vertical reinforcing bar 14 and horizontal reinforcing bar 15 increase concrete grouting 4's structural stability, slot 13 has all been seted up on prefabricated curb plate 3, fixed welding has stand 5 in the slot 13, the both sides of stand 5 are equipped with strengthening mechanism, strengthening mechanism includes reinforcing plate 6, reinforcing plate 6 is the L shape, 6 both sides of reinforcing plate fixed welding are respectively on stand 5 and prefabricated curb plate 3, be equipped with stiffening rib 9 on the reinforcing plate 6, through 6 reinforcing column 5's structural stability of reinforcing plate, stand 5 and the fixed mounting of the stand 5 of slot 13 cooperation being convenient for.
One side of every prefabricated curb plate 3 all is equipped with anchor round pin 7, anchor round pin 7 includes cylinder section 71, the hexagon draw-in groove has been seted up to the one end of cylinder section 71, the other end fixedly connected with screw thread section 73 of cylinder section 71, the one end fixedly connected with bolt section 74 of cylinder section 71 is kept away from to screw thread section 73, be equipped with on the cylinder section 71 and strengthen arris 72, strengthen one side fixedly connected with annular elastic bulge 75 of arris 72, rotatory cylinder section 71 makes it drive screw thread section 73 and screw in the screw hole 11 gradually, bolt section 74 is pulled into and is anchored in the concrete grouting structure 4 simultaneously.
A steel bar anchoring connection structure of a prefabricated assembly type concrete member discloses a connection method, which comprises the following steps:
firstly, laying a ferric chloride waterproof concrete layer 2 above a polyvinyl chloride waterproof coiled material 1, carrying out primary positioning under the action of a positioning bulge 8, then splicing and firmly welding four groups of prefabricated side plates 3 in a rectangular shape, and adopting non-consumable inert gas shielded arc welding in a welding mode.
Step two, firstly, the metal net 10 is tiled above the ferric chloride waterproof concrete layer 2, then the vertical steel bars 14 and the transverse steel bars 15 are arranged in a staggered mode in the transverse and vertical directions and are arranged in three groups, and two ends of each vertical steel bar 14 and two ends of each transverse steel bar 15 are fixedly inserted into the inner side of the prefabricated side plate 3.
And step three, mixing the cement paste according to the cement paste ratio (1:1) selected in advance. Weighing quantitative water according to the capacity of the pulping machine, injecting the quantitative water into the pulping machine, weighing cement with corresponding weight according to the water-cement ratio, starting the pulping machine, and adding the cement while stirring. The stirring time is more than 3 minutes, the slurry does not have obvious precipitation, and the cement slurry is poured into a slurry storage barrel after the stirring.
And step four, grouting by a grouting machine, fixing a grouting pipeline, controlling the pipeline to be not too long and to be 30-50 m to prevent pressure loss, and stabilizing the pressure for 2-3 minutes when the grouting amount is less than 1L/min under the specified pressure.
And step five, inserting the upright post 5 into the corresponding slot 13 for welding and fixing, and then leaning two reinforcing plates 6 against two sides of the upright post 5 for reinforcing and fixing.
Step six, a tool is clamped into the hexagonal clamping groove, the cylindrical section 71 is rotated to drive the threaded section 73 to be gradually screwed into the threaded hole 11, meanwhile, the bolt section 74 is disassembled into the concrete grouting structure 4 for anchoring, the reinforcing rib 72 drives the annular elastic bulge 75 to be clamped into the annular groove 12, the annular elastic bulge 75 only props against the inner side wall of the annular groove 12, the annular elastic bulge 75 is elastically deformed to generate elasticity, the matching friction force between the threaded section 73 and the threaded hole 11 is increased under the elastic action of the annular elastic bulge 75, and the anchoring pin 7 is effectively prevented from being disengaged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a reinforcing bar anchor connection structure of prefabricated assembled concrete member, includes polyvinyl chloride waterproofing membrane (1), its characterized in that, be equipped with ferric chloride waterproofing concrete on polyvinyl chloride waterproofing membrane (1) and spread layer (2), be equipped with four groups prefabricated curb plate (3) on ferric chloride waterproofing concrete spreads layer (2), four groups prefabricated curb plate (3) are each other through TIG welding, four groups be equipped with concrete grouting structure (4) in prefabricated curb plate (3), metal mesh (10) have been laid to concrete grouting structure (4) bottom side, be equipped with a plurality of vertical reinforcing bars (14) and a plurality of horizontal reinforcing bar (15) in concrete grouting structure (4) respectively, slot (13) have all been seted up on prefabricated curb plate (3), fixed welding has stand (5) in slot (13), the both sides of stand (5) are equipped with strengthening mechanism, and one side of each prefabricated side plate (3) is provided with an anchoring pin (7).
2. The reinforcing steel bar anchoring connection structure of the prefabricated concrete member according to claim 1, wherein the anchoring pin (7) comprises a cylindrical section (71), one end of the cylindrical section (71) is provided with a hexagonal clamping groove, the other end of the cylindrical section (71) is fixedly connected with a threaded section (73), one end of the threaded section (73) far away from the cylindrical section (71) is fixedly connected with a bolt section (74), the cylindrical section (71) is provided with a reinforcing rib (72), and one side of the reinforcing rib (72) is fixedly connected with an annular elastic bulge (75).
3. The reinforcing steel bar anchoring connection structure of the prefabricated concrete member according to claim 2, wherein a plurality of threaded holes (11) and a plurality of annular grooves (12) are formed in the prefabricated side plate (3), the threaded holes (11) correspond to the annular grooves (12) in a one-to-one mode, the threaded holes (11) are matched with the threaded sections (73), and the annular grooves (12) are matched with the annular elastic protrusions (75).
4. The structure of claim 1, wherein the reinforcing mechanism comprises a reinforcing plate (6), the reinforcing plate (6) is L-shaped, two sides of the reinforcing plate (6) are fixedly welded on the upright post (5) and the prefabricated side plate (3) respectively, and reinforcing ribs (9) are arranged on the reinforcing plate (6).
5. The steel bar anchoring connection structure of the prefabricated concrete member according to claim 1, wherein the vertical steel bars (14) and the transverse steel bars (15) are in a snake shape, both ends of the vertical steel bars (14) and the transverse steel bars (15) are fixedly connected to the prefabricated side plates (3), and the vertical steel bars (14) and the transverse steel bars (15) are arranged in a staggered manner.
6. A precast concrete element reinforcing bar anchoring connection structure according to claim 1, wherein the metal mesh (10) is a 10 x 10mm grid mesh.
7. The steel bar anchoring connection structure of prefabricated concrete members according to claim 1, wherein a plurality of positioning protrusions (8) are symmetrically arranged on the polyvinyl chloride waterproof roll (1).
8. A method of connecting a reinforcing bar anchoring connection structure of precast concrete elements according to any one of claims 1 to 7, comprising the steps of:
firstly, laying a ferric chloride waterproof concrete layer (2) above a polyvinyl chloride waterproof coiled material (1), carrying out primary positioning under the action of a positioning bulge (8), and then splicing and firmly welding four groups of prefabricated side plates (3) in a rectangular shape in a non-consumable inert gas shielded arc welding mode;
secondly, firstly, tiling a metal net (10) above the ferric chloride waterproof concrete layer (2), then arranging vertical steel bars (14) and transverse steel bars (15) in a horizontal-vertical staggered manner to form three groups, and fixedly inserting two ends of each vertical steel bar (14) and each transverse steel bar (15) into the inner side of the prefabricated side plate (3);
step three, mixing the cement slurry according to a pre-selected cement slurry ratio of 1:1, weighing quantitative water according to the capacity of a pulping machine, injecting the quantitative water into the pulping machine, weighing cement with corresponding weight according to the water-cement ratio, starting the pulping machine, adding the cement while stirring for more than 3 minutes, and pouring the cement slurry into a slurry storage barrel after the cement slurry is not obviously precipitated;
grouting by a grouting machine, fixing a grouting pipeline, controlling the pipeline to be not too long and to be 30-50 m to prevent pressure loss, and stabilizing the pressure for 2-3 minutes when the grouting amount is less than 1L/min under the specified pressure;
inserting the upright posts (5) into the corresponding slots (13) for welding and fixing, and then leaning two reinforcing plates (6) against two sides of the upright posts (5) for reinforcing and fixing;
step six, the tool is clamped into the hexagonal clamping groove, the cylindrical section (71) is rotated to drive the threaded section (73) to be gradually screwed into the threaded hole (11), meanwhile, the bolt section (74) is disassembled into the concrete grouting structure (4) to be anchored, the reinforcing rib (72) drives the annular elastic bulge (75) to be clamped into the annular groove (12), the annular elastic bulge (75) only supports against the inner side wall of the annular groove (12), elastic deformation of the annular elastic bulge (75) is enabled to generate elasticity, the matching friction force between the threaded section (73) and the threaded hole (11) is increased under the elastic action of the annular elastic bulge (75), and the anchoring pin (7) is effectively prevented from being disengaged.
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| CN201910785547.XA CN110528701B (en) | 2019-08-23 | 2019-08-23 | Steel bar anchoring connection structure and connection method of prefabricated concrete member |
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| CN110528701B true CN110528701B (en) | 2020-12-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205131A (en) * | 1997-01-23 | 1998-08-04 | Sekisui Chem Co Ltd | Device and method for curing concrete of foundation |
| CN202519709U (en) * | 2012-04-19 | 2012-11-07 | 博坤建设集团有限公司 | Precast block post-cast strip structure of foundation slab |
| CN105649207A (en) * | 2015-03-16 | 2016-06-08 | 中国建筑第四工程局有限公司 | Construction method and structure of spliced type standard temporary houses |
| CN108661087A (en) * | 2017-03-31 | 2018-10-16 | 五冶集团上海有限公司 | The waterproof construction and construction method of tower crane in a kind of basement bottom board |
| CN109372262A (en) * | 2018-11-23 | 2019-02-22 | 中国三冶集团有限公司 | A kind of basement formwork support structure and construction method |
| CN109397771A (en) * | 2018-02-10 | 2019-03-01 | 苏州兹安材料科技有限公司 | Waterproof Breathable coiled material and production method and wall body structure with stereochemical structure |
| CN208748676U (en) * | 2018-08-29 | 2019-04-16 | 中建二局第三建筑工程有限公司 | Tower-crane foundation structure below foundation structure bottom plate is set |
-
2019
- 2019-08-23 CN CN201910785547.XA patent/CN110528701B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205131A (en) * | 1997-01-23 | 1998-08-04 | Sekisui Chem Co Ltd | Device and method for curing concrete of foundation |
| CN202519709U (en) * | 2012-04-19 | 2012-11-07 | 博坤建设集团有限公司 | Precast block post-cast strip structure of foundation slab |
| CN105649207A (en) * | 2015-03-16 | 2016-06-08 | 中国建筑第四工程局有限公司 | Construction method and structure of spliced type standard temporary houses |
| CN108661087A (en) * | 2017-03-31 | 2018-10-16 | 五冶集团上海有限公司 | The waterproof construction and construction method of tower crane in a kind of basement bottom board |
| CN109397771A (en) * | 2018-02-10 | 2019-03-01 | 苏州兹安材料科技有限公司 | Waterproof Breathable coiled material and production method and wall body structure with stereochemical structure |
| CN208748676U (en) * | 2018-08-29 | 2019-04-16 | 中建二局第三建筑工程有限公司 | Tower-crane foundation structure below foundation structure bottom plate is set |
| CN109372262A (en) * | 2018-11-23 | 2019-02-22 | 中国三冶集团有限公司 | A kind of basement formwork support structure and construction method |
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