CN110820985A - Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system - Google Patents
Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system Download PDFInfo
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- CN110820985A CN110820985A CN201911111104.9A CN201911111104A CN110820985A CN 110820985 A CN110820985 A CN 110820985A CN 201911111104 A CN201911111104 A CN 201911111104A CN 110820985 A CN110820985 A CN 110820985A
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- wall body
- prefabricated wall
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000009415 formwork Methods 0.000 claims abstract description 38
- 239000002023 wood Substances 0.000 claims description 8
- 238000007514 turning Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
-
- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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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
-
- 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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention belongs to the technical field of building construction, and particularly relates to a small-formwork-splicing pouring construction system for cast-in-place sections of an assembled shear wall, which comprises a prefabricated wall body A, a prefabricated wall body B, formworks, battens, straight back ridges, L-shaped back ridges and split screws, wherein the prefabricated wall body A and the prefabricated wall body B are perpendicular to each other and arranged at intervals, the formworks are respectively attached to the inner side and the outer side of the prefabricated wall body A and the inner side and the outer side of the prefabricated wall body B, and the end surfaces of the prefabricated wall body A and the prefabricated wall body B and the formworks jointly enclose an L-shaped pouring; the small-formwork-splicing pouring construction system for the cast-in-place section of the fabricated shear wall provided by the invention solves the problems of slurry leakage, flow drop and poor effect easily caused by splicing the conventional fabricated frame structure beam column through a customized formwork reinforcing system, can effectively ensure the forming effect, improves the construction quality and reduces the cost.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a small-spliced-die pouring construction system for cast-in-place sections of an assembled shear wall.
Background
The assembled shear wall structure is an integral structure formed by prefabricated components, on-site post-cast concrete and cement-based grouting material in a reliable connection mode, and a reliable connection node is the key for ensuring the structural integrity and the shock resistance. If the construction quality of the connection node cannot be guaranteed, the connection node is prone to failure and even overall structural damage. The vertical connection mode of the assembled shear wall structure comprises a dry connection mode and a wet connection mode. At present, wet connection is the most widely used mode in China. The wet connection mainly comprises cast-in-place belt connection, grouting sleeve connection and grout anchor connection. The cast-in-place strip connection is characterized in that after the prefabricated shear walls are installed at designed positions, cast-in-place strips are arranged between the connected shear walls, then the reserved steel bars are connected in a lap joint mode, and concrete is poured to form a whole after the shear walls are installed in place. If the cast-in-place node template system of the fabricated shear wall structure is not reinforced in place, concrete is easily protruded out of the surface of the prefabricated member and slurry is leaked, so that the problem of poor cast-in-place impression of the concrete is caused, and the construction quality, the assembly efficiency and the like are reduced. In view of the problems and deficiencies of the prior art, there is a need for a novel and inventive apparatus and method that overcomes the deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a small splicing formwork pouring construction system for a cast-in-place section of an assembled shear wall, which can effectively overcome the phenomenon of inconsistent connection construction of loose splicing formworks in bulk, avoid the problems of slurry leakage and formwork explosion, ensure good construction forming quality of a node area, is convenient to operate and high in construction speed, and reduce the reinforcing construction cost of formworks.
In order to achieve the purpose, the invention provides the following technical scheme: a small-formwork-splicing pouring construction system for a cast-in-place section of an assembled shear wall comprises a prefabricated wall body A, a prefabricated wall body B, formworks, battens, straight back ridges, L-shaped back ridges and opposite-pulling screw rods, wherein the prefabricated wall body A and the prefabricated wall body B are perpendicular to each other and are arranged at intervals, the formworks are respectively attached to the inner side and the outer side of the prefabricated wall body A and the inner side of the prefabricated wall body B, the formwork inside the prefabricated wall body A is vertically butted with the formwork inside the prefabricated wall body B, the formwork outside the prefabricated wall body A is vertically butted with the formwork outside the prefabricated wall body B, and the end faces of the prefabricated wall body A and the prefabricated wall body B and the formworks jointly enclose an L; the batten is attached to one side, back to the prefabricated wall A and the prefabricated wall B, of the template, the batten is long-strip-shaped, the length direction of the batten is vertical, the straight back ridge is abutted against the batten on the outer side of the prefabricated wall B, the L-shaped back ridge comprises a first section and a second section which are vertically and fixedly connected into a whole, the first section is abutted against the batten on the outer side of the prefabricated wall A, and the second section is abutted against the batten on the outer side of the prefabricated wall B; the template setting of the inside and outside both sides of prefabricated wall body A and prefabricated wall body B is run through respectively along prefabricated wall body A and prefabricated wall body B's normal direction to the screw rod that draws, and the one end that the screw rod that draws is located prefabricated wall body A and prefabricated wall body B inboard is equipped with the jack catch, the jack catch keeps off with this side wood side and connects, and the one end that the screw rod that draws is located the prefabricated wall body A and the prefabricated wall body B outside passes the stupefied screw rod hole of reserving on the stupefied and the L type back of the body of the straight back and is connected with the nut that the stupefied outside of the.
Furthermore, the L-shaped pouring device further comprises a diagonal screw rod arranged along the connecting line direction of the inner corner and the outer corner of the L-shaped pouring cavity, a first cushion block and a second cushion block are respectively arranged on the outer sides of the inner corner and the outer corner of the L-shaped pouring cavity, through holes for the diagonal screw rod to pass through are reserved on the first cushion block and the second cushion block, a limiting clamp is arranged at the inner end of the diagonal screw rod, the limiting clamp is in blocking connection with the first cushion block, and the outer end of the diagonal screw rod is connected with a nut arranged on the outer side of the second cushion block.
Preferably, draw the screw rod to one side including lieing in the L type pour the pre-buried section of cavity and with pre-buried section both ends threaded connection and protruding and stretch out to the outside instrument section of L type pouring cavity, pre-buried section both ends are equipped with first concrete embedded block and second concrete embedded block respectively, set up the passageway that supplies to draw the screw rod to one side to pass on first concrete embedded block and the second concrete embedded block, the passageway is close to the one end of pre-buried section and is equipped with the counter bore, pre-buried section both ends still are equipped with the seal ring, be equipped with the elastic corrugated pipe that rubber made between the step face of seal ring and counter bore.
Preferably, the embedded section is of a two-section structure, and the two sections are connected through threads.
Preferably, the first concrete embedded block is provided with a V-shaped concave part matched with the corner of the inner side template, and the second concrete embedded block is provided with a V-shaped convex part matched with the corner of the outer side template; and two sides of the second concrete embedded block are provided with limiting convex edges which are convexly arranged towards the end surfaces of the prefabricated wall body A and the prefabricated wall body B respectively.
Preferably, the reserved screw hole on the L-shaped back edge is a waist-shaped hole.
The invention has the technical effects that: the small-formwork-splicing pouring construction system for the cast-in-place section of the fabricated shear wall provided by the invention solves the problems of slurry leakage, flow drop and poor effect easily caused by splicing the conventional fabricated frame structure beam column through a customized formwork reinforcing system, can effectively ensure the forming effect, improves the construction quality and reduces the cost.
Drawings
FIG. 1 is an inside perspective view of a fabricated shear wall cast-in-place section small formwork pouring construction system provided by an embodiment of the invention;
FIG. 2 is an outside perspective view of a fabricated shear wall cast-in-place section small formwork pouring construction system provided by an embodiment of the invention;
FIG. 3 is an exploded view of a fabricated shear wall cast-in-place section small formwork casting construction system provided by an embodiment of the invention;
FIG. 4 is a front view of a prefabricated shear wall cast-in-place section small split mold pouring construction system provided by an embodiment of the invention;
FIG. 5 is a side view of a prefabricated shear wall cast-in-place section small formwork pouring construction system provided by an embodiment of the invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
fig. 7 is a perspective view of a first concrete insert according to an embodiment of the present invention;
fig. 8 is a perspective view of a first concrete insert from another perspective according to an embodiment of the present invention;
fig. 9 is a perspective view of a second concrete insert provided in accordance with an embodiment of the present invention;
fig. 10 is a perspective view of a second concrete insert according to another aspect of the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings. It is specifically stated that the terms "inner" and "outer" are used herein to refer to the general designation by those skilled in the art of both sides of a corner of a shear wall, i.e., the side shown in FIG. 1 is the inside and the side shown in FIG. 2 is the outside.
As shown in fig. 1-10, a small-formwork-splicing pouring construction system for cast-in-place sections of an assembled shear wall comprises a prefabricated wall body a1, a prefabricated wall body B2, formworks 3, battens 4, straight back ridges 5, L-shaped back ridges 6 and counter-pull screws 7, wherein the prefabricated wall body a1 and the prefabricated wall body B2 are perpendicular to each other and arranged at intervals, the formworks 3 are respectively attached to the inner side and the outer side of the prefabricated wall body a1 and the inner side and the outer side of the prefabricated wall body B2, the formworks 3 on the inner side of the prefabricated wall body a1 are perpendicularly butted with the formworks 3 on the inner side of the prefabricated wall body B2, the formworks 3 on the outer side of the prefabricated wall body a1 are perpendicularly butted with the formworks 3 on the outer side of the prefabricated wall body B2, and the end faces of the; the batten 4 is attached to one side, back to the prefabricated wall A1 and the prefabricated wall B2, of the template 3, the batten 4 is long in strip shape and is vertically arranged in the length direction, the straight back ridge 5 is abutted to the batten 4 on the outer side of the prefabricated wall B2, the L-shaped back ridge 6 comprises a first section and a second section which are vertically and fixedly connected into a whole, the first section is abutted to the batten 4 on the outer side of the prefabricated wall A1, and the second section is abutted to the batten 4 on the outer side of the prefabricated wall B2; the normal direction that to drawing screw rod 7 along prefabricated wall A1 and prefabricated wall B2 respectively runs through the template 3 setting of prefabricated wall A1 and the inside and outside both sides of prefabricated wall B2, and the one end that to drawing screw rod 7 is located prefabricated wall A1 and prefabricated wall B2 inboard is equipped with jack catch 71, jack catch 71 keeps off with this side flitch 4 and connects, and the one end that to drawing screw rod 7 is located prefabricated wall A1 and prefabricated wall B2 outside passes the screw hole of reserving on straight stupefied 5 and the L type back of the body stupefied 6 and is connected with the nut that straight stupefied 5 and the L type back of the body stupefied 6 outside set up. The small-formwork-splicing pouring construction system for the cast-in-place section of the fabricated shear wall provided by the invention has the advantages that the system is reinforced through the customized template 3, the problems of slurry leakage, flow drop and poor effect easily caused during beam column splicing of the conventional fabricated frame structure are solved, the forming effect can be effectively ensured, the construction quality is improved, and the cost is reduced.
Further, still include along the L type pour the line direction setting of cavity two inside and outside turnings to one side screw rod 8 that draws, the outside of cavity two inside and outside turnings is poured to the L type is equipped with first cushion 81 and second cushion 82 respectively, reserve on first cushion 81 and the second cushion 82 and have the through-hole that supplies to draw screw rod 8 to one side to pass, the inner of drawing screw rod 8 to one side is equipped with spacing card 83, spacing card 83 keeps off with first cushion 81 and connects, the outer end of drawing screw rod 8 to one side is connected with the nut that the second cushion 82 outside set up. According to the invention, the diagonal tension screw 8 is adopted to tension the corners of the wood board, so that the problem of slurry leakage caused by mold burst due to insufficient quantity of the pull rods at the corners of the template 3 is effectively solved.
Specifically, draw screw rod 8 to one side including lie in the L type pour the cavity pre-buried section 84 and with pre-buried section 84 both ends threaded connection and protruding and stretch out to the outside instrument section 85 of L type pouring cavity, pre-buried section 84 both ends are equipped with first concrete embedded piece 86 and second concrete embedded piece 87 respectively, set up the passageway that supplies oblique pull screw rod 8 to pass on first concrete embedded piece 86 and the second concrete embedded piece 87, the passageway is close to the one end of pre-buried section 84 and is equipped with the counter bore, pre-buried section 84 both ends still are equipped with seal ring 89, be equipped with the elastic bellows 88 that rubber made between the step face of seal ring 89 and counter bore. The tool section 85 is detached after pouring forming, the embedded section 84 is left in the wall body, the concrete embedded block can effectively solve the problem that the exposed part of the diagonal tension screw 8 at the corner of the wall body surface is not easy to trim after pouring forming, the elastic corrugated pipe 88 can ensure that the concrete embedded block is tightly attached to the inner wall of the template 3, the surface forming quality of the cast-in-place section is ensured, and meanwhile, the elastic corrugated pipe 88 can play a role in sealing and preventing slurry leakage after being compressed.
Further, pre-buried section 84 is two segmentation structures, through threaded connection between two sections, can adjust pre-buried section 84 length through this screw thread to the wall that adapts to different specifications is pour.
Specifically, the first concrete embedded block 86 is provided with a V-shaped concave part 861 matched with the corner of the inner side template 3, and the second concrete embedded block 87 is provided with a V-shaped convex part 871 matched with the corner of the outer side template 3; and limiting convex ribs 872 which are convexly arranged on the end surfaces of the prefabricated wall A1 and the prefabricated wall B2 are arranged on two sides of the second concrete embedded block 87 respectively. Spacing bead 872 can carry on spacingly to second concrete embedded block 87 after pouring the shaping, prevents that second concrete embedded block 87 from droing.
Preferably, the reserved screw hole on the L-shaped back edge 6 is a waist-shaped hole, so that field difference adjustment and reinforcement are facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a construction system is pour to little makeup mould of cast-in-place section of assembled shear force wall which characterized in that: the prefabricated wall comprises a prefabricated wall body A (1), a prefabricated wall body B (2), formworks (3), battens (4), straight back ridges (5), L-shaped back ridges (6) and split screws (7), wherein the prefabricated wall body A (1) and the prefabricated wall body B (2) are perpendicular to each other and arranged at intervals, the formworks (3) are respectively attached to the inner side and the outer side of the prefabricated wall body A (1) and the inner side of the prefabricated wall body B (2), the formworks (3) on the inner side of the prefabricated wall body A (1) are perpendicularly butted with the formworks (3) on the inner side of the prefabricated wall body B (2), the formworks (3) on the outer side of the prefabricated wall body A (1) are perpendicularly butted with the formworks (3) on the outer side of the prefabricated wall body B (2), and the end faces of the prefabricated wall body A (1) and the prefabricated wall body B (2) and the; the wood beam (4) is attached to one side, back to the prefabricated wall body A (1) and the prefabricated wall body B (2), of the formwork (3), the wood beam (4) is in a long strip shape, the length direction of the wood beam is vertically arranged, the straight back edge (5) is abutted to the wood beam (4) on the outer side of the prefabricated wall body B (2), the L-shaped back edge (6) comprises a first section and a second section which are vertically and fixedly connected into a whole, the first section is abutted to the wood beam (4) on the outer side of the prefabricated wall body A (1), and the second section is abutted to the wood beam (4) on the outer side of the prefabricated wall body B (2); the prefabricated wall body A (1) and the template (3) of prefabricated wall body B (2) inside and outside both sides are run through respectively along the normal direction of prefabricated wall body A (1) and prefabricated wall body B (2) to drawing screw rod (7) and setting, and the one end that is located prefabricated wall body A (1) and prefabricated wall body B (2) inboard is equipped with jack catch (71) to drawing screw rod (7), jack catch (71) and this side flitch (4) keep off and connect, and the one end that is located prefabricated wall body A (1) and prefabricated wall body B (2) outside to drawing screw rod (7) passes the screw rod hole of reserving on straight stupefied (5) and L type back of the body stupefied (6) and is connected with the nut that straight stupefied (5) and L type back of the body stupefied (6) outside set up.
2. The fabricated shear wall cast-in-place section small formwork pouring construction system according to claim 1, characterized in that: still include along L type pour line direction setting at two internal and external turnings of cavity to one side pull screw rod (8), the outside at two internal and external turnings of cavity is pour to the L type is equipped with first cushion (81) and second cushion (82) respectively, reserve on first cushion (81) and second cushion (82) and have the through-hole that supplies to draw screw rod (8) to one side to pass, the inner of drawing screw rod (8) to one side is equipped with spacing card (83), spacing card (83) keep off with first cushion (81) and connect, the outer end of drawing screw rod (8) to one side is connected with the nut that second cushion (82) outside set up.
3. The fabricated shear wall cast-in-place section small formwork pouring construction system according to claim 2, characterized in that: draw screw rod (8) to one side including lie in the L type pour the cavity pre-buried section (84) and with pre-buried section (84) both ends threaded connection and protruding and go to the outside instrument section (85) of pouring the cavity to the L type, pre-buried section (84) both ends are equipped with first concrete pre-buried piece (86) and second concrete pre-buried piece (87) respectively, set up the passageway that supplies to draw screw rod (8) to one side to pass on first concrete pre-buried piece (86) and second concrete pre-buried piece (87), the one end that the passageway is close to pre-buried section (84) is equipped with the counter bore, pre-buried section (84) both ends still are equipped with seal ring (89), be equipped with elastic corrugated pipe (88) that rubber made between the step face of seal ring (89) and counter bore.
4. The fabricated shear wall cast-in-place section small formwork pouring construction system according to claim 3, characterized in that: the embedded section (84) is of a two-section structure and is connected with the two sections through threads.
5. The fabricated shear wall cast-in-place section small formwork pouring construction system according to claim 4, characterized in that: the first concrete embedded block (86) is provided with a V-shaped concave part (861) matched with the corner of the inner side template (3), and the second concrete embedded block (87) is provided with a V-shaped convex part (871) matched with the corner of the outer side template (3); and two sides of the second concrete embedded block (87) are provided with limiting convex ribs (872) which are convexly arranged on the end surfaces of the prefabricated wall body A (1) and the prefabricated wall body B (2) respectively.
6. The fabricated shear wall cast-in-place section small formwork pouring construction system according to claim 5, characterized in that: the reserved screw rod hole on the L-shaped back edge (6) is a waist-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111104.9A CN110820985A (en) | 2019-11-14 | 2019-11-14 | Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111104.9A CN110820985A (en) | 2019-11-14 | 2019-11-14 | Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system |
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| Publication Number | Publication Date |
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| CN110820985A true CN110820985A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911111104.9A Pending CN110820985A (en) | 2019-11-14 | 2019-11-14 | Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system |
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| CN (1) | CN110820985A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502069A (en) * | 2020-05-08 | 2020-08-07 | 陈金华 | Convenient positioning structure and installation method for building assembly type prefabricated wall |
| CN112878665A (en) * | 2021-01-19 | 2021-06-01 | 中天建设集团有限公司 | ALC (autoclaved lightweight concrete) plate and main body synchronous construction structure and construction method |
| CN115182482A (en) * | 2022-08-25 | 2022-10-14 | 中国建筑第七工程局有限公司 | Construction method of cavity prefabricated wall body matched with external frame free |
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| CN211499291U (en) * | 2019-11-14 | 2020-09-15 | 上海泾东建筑发展有限公司 | Cast-in-place section of assembled shear force wall splices mould for a short time and pours construction system |
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| CN104963431A (en) * | 2015-07-17 | 2015-10-07 | 南通德源建设工程科技有限公司 | Corner structural column construction method |
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|---|---|---|---|---|
| CN111502069A (en) * | 2020-05-08 | 2020-08-07 | 陈金华 | Convenient positioning structure and installation method for building assembly type prefabricated wall |
| CN112878665A (en) * | 2021-01-19 | 2021-06-01 | 中天建设集团有限公司 | ALC (autoclaved lightweight concrete) plate and main body synchronous construction structure and construction method |
| CN115182482A (en) * | 2022-08-25 | 2022-10-14 | 中国建筑第七工程局有限公司 | Construction method of cavity prefabricated wall body matched with external frame free |
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