CN109356382B - Drawing type deformation joint formwork supporting system and construction method - Google Patents
Drawing type deformation joint formwork supporting system and construction method Download PDFInfo
- Publication number
- CN109356382B CN109356382B CN201811240017.9A CN201811240017A CN109356382B CN 109356382 B CN109356382 B CN 109356382B CN 201811240017 A CN201811240017 A CN 201811240017A CN 109356382 B CN109356382 B CN 109356382B
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- support frame
- rail
- sliding rail
- sliding
- sides
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- 238000009415 formwork Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000011178 precast concrete Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/047—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements simultaneously tying two facing forms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to a drawing type deformation joint formwork system and a drawing type deformation joint formwork method, which are characterized in that: the aluminum mould comprises two inner aluminum mould plates and two outer aluminum mould plates, wherein the two inner aluminum mould plates are arranged in parallel at intervals, and a pull type bracket is arranged between the inner aluminum mould plates; the drawing type support comprises a first support frame, a first slide rail, a rail assisting device, a second slide rail and a second support frame, wherein the first support frame, the first slide rail, the rail assisting device, the second slide rail and the second support frame are symmetrically arranged on the left side and the right side and are matched in sequence, the second support frame is arranged between the second slide rails on the two sides, the formwork supporting method comprises the steps of connecting an inner aluminum formwork with the first support frame, installing the first slide rail on the first support frame, manufacturing the rail assisting device, connecting the second support frame with the second slide rail, hoisting the first support frame, hoisting the rail assisting device, hoisting the second support frame, connecting an outer aluminum formwork, pouring a superstructure shear wall and dismantling a formwork supporting system. The structure has the characteristics of convenient disassembly and assembly, high construction efficiency, adaptability to the requirements of deformation joint formwork supporting with different widths, and the like, and has better economic and technical benefits.
Description
Technical Field
The invention belongs to the technical field of building construction engineering, and particularly relates to a drawing type deformation joint formwork system and a construction method.
Background
Along with the acceleration of the urban process, the building is more and more complex in size and larger in volume, and deformation joints such as expansion joints, earthquake-resistant joints and settlement joints are often arranged in the design of a plurality of buildings to ensure the safe use of the buildings. For the building of the high-rise shear wall structure, as the deformation joint is narrow, the inner side template of the post-cast wall body at the deformation joint is difficult to prop up, and in the past, a foam board filling method or a square formwork filling method is adopted for reinforcing the inner side of the joint, so that the phenomena of deformation of the drum mould in the joint, incapability of dismantling the inner side template cleanly and the like are easily caused, the problems of staggered platform on the shear wall, poor forming quality, inconsistent size and the like are caused, the effect of the deformation joint is greatly reduced, and the normal and safe use of the building is seriously influenced, so that the quality control of the post-cast shear wall at the deformation joint becomes a big construction difficulty. Moreover, conventional deformation joint templates typically employ wood and steel templates. The on-site processing of the wood templates requires a plurality of carpenters to work cooperatively, the site is narrow, the difficulty of construction management is increased, the turnover number of the wood templates is small, and the cost is high. The steel template is integrally formed, can be repeatedly used, has accurate size of the cast-in-situ stair section, but has high input cost and low turnover rate of the steel template, and is heavier and inconvenient to hoist.
Aiming at the problems of the building stairway in the actual engineering, the invention needs to develop a deformation joint supporting system construction method with high construction efficiency and good economy.
Disclosure of Invention
The invention aims to solve the problems of inferior forming quality, inconsistent size and the like of a shear wall caused by deformation joint internal mold deformation, incapability of dismantling a joint internal mold cleanly and the like in the traditional deformation joint formwork construction, and provides a drawing type deformation joint formwork system and a construction method based on the formwork system.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a drawing type deformation joint formwork system which comprises two inner aluminum templates and two outer aluminum templates, wherein the two inner aluminum templates are arranged in parallel at intervals, and a drawing type bracket is arranged between the inner aluminum templates; the pull type support comprises a first support frame, a first sliding rail, a rail assisting device, a second sliding rail and a second support frame, wherein the first support frame, the first sliding rail, the rail assisting device, the second sliding rail and the second support frame are bilaterally symmetrical, the second support frame is arranged between the second sliding rails, the first support frame is respectively fixed on the inner sides of the aluminum templates on the two sides, a first lifting rope is arranged at the top of the first support frame, the first sliding rail is respectively fixed on the inner sides of the first support frames on the two sides through first fixing bolts, sliding grooves are formed in the inner sides of the first sliding rails, the rail assisting device comprises a rail assisting framework and a plurality of rollers, the rollers are connected with the rail assisting framework through roller shafts, the rail assisting device is matched with the sliding grooves of the corresponding first sliding rails through the rollers, the second lifting rope is arranged at the top of the second support frame, the second sliding rail is fixed on the two sides of the second support frame through second sliding rail opposite-pull bolts, and the second sliding rail is respectively matched with the rollers of the rail assisting device on the two sides; the two outer aluminum templates are fixed on the outer sides of the two inner aluminum templates through prefabricated concrete supports, and the two outer aluminum templates are locked and connected through opposite-pull screws and fixing nuts.
Preferably, the first supporting frame comprises a transverse back edge and a longitudinal back edge which are welded with each other, and the first lifting rope is arranged on the uppermost transverse back edge.
Preferably, the second supporting frame comprises a supporting frame longitudinal rod and a supporting frame transverse rod which are welded with each other, and the second lifting rope is arranged at the top of the supporting frame longitudinal rod.
Preferably, the inner side of the sliding groove of the first sliding rail is of an arc-shaped structure, and the radian of the arc-shaped structure corresponds to the radian of the outer ring of the roller.
Preferably, the side surface of the second sliding rail corresponding to the roller is of an arc-shaped structure, and the radian of the arc-shaped structure corresponds to the radian of the outer ring of the roller.
Preferably, the second sliding rail is closely attached to the second supporting frame.
Preferably, a gap exists between the second sliding rail and the second supporting frame, and the second sliding rail is fixedly connected with the second supporting frame through a plurality of second sliding rail split bolts.
Preferably, the bottom of the outer side surface of the inner aluminum template is provided with a leakage-proof rubber gasket.
A construction method based on the drawing type deformation joint formwork system comprises the following steps:
(1) Welding a transverse back edge and a longitudinal back edge on the inner surface of an inner aluminum template to form a first support frame, punching a split bolt through hole in the inner aluminum template, arranging a first lifting rope on the uppermost transverse back edge, sticking a leakage-proof rubber gasket on the bottom of the inner aluminum template, and drilling a first sliding rail mounting hole on the inner surface of the longitudinal back edge;
(2) Sequentially fixing the first slide rail on the corresponding longitudinal back edge by using a first slide rail fixing bolt;
(3) Manufacturing a rail, sequentially installing rollers on roller shafts on a rail-assisting framework, and reserving movable gaps between the rollers and the rail-assisting framework;
(4) The support frame longitudinal rod and the support frame cross rod are welded with each other to form a second support frame, a second lifting rope is arranged at the top of the support frame longitudinal rod, second slide rail through holes are drilled on the support frame longitudinal rod at intervals, and second slide rails are placed on two sides of the support frame longitudinal rod and locked with second slide rails on two sides by using second slide rail counter bolts;
(5) A reserved hole is arranged at a deformation joint of a poured concrete floor, a supporting steel pipe is inserted in the reserved hole, a template fixing piece is welded on the supporting steel pipe, a first lifting rope is lifted by a crane, and an inner aluminum template, a first support frame and a first sliding rail are integrally adjusted into the deformation joint, so that the inner aluminum template is attached to walls at two sides of a construction joint and is fixed by the template fixing piece;
(6) Hoisting two auxiliary rails, and respectively sliding down the auxiliary rails close to the sliding grooves of the first sliding rail;
(7) A second lifting rope of the second support frame is lifted by a crane, and the second support frame and the second sliding rail are integrally lifted between the two auxiliary rails and slide downwards along the auxiliary rails;
(8) The back of the outer aluminum template is provided with a vertical keel, and the vertical keel is supported and connected with a vertical supporting reinforcement cage by precast concrete, and the outer aluminum template is oppositely pulled and fixed by matching with a oppositely pulling screw rod and a fixing nut;
(9) Extending a concrete pouring pipe into a gap between the inner aluminum template and the outer aluminum template from top to bottom, pouring concrete, and lifting the pouring pipe to form a shear wall;
(10) After the concrete strength reaches the detachable strength, the opposite-pulling screw rod and the outer aluminum template are removed, the second support frame and the second sliding rail are integrally pulled out of the deformation joint, the auxiliary rail is pulled out, and finally the first support frame, the first sliding rail and the inner aluminum template are integrally pulled out.
Preferably, the formwork fastener in step 5 is an a12 rebar 10cm long.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) The aluminum template in the deformation joint adopts the large template of aluminum template shaping, and is hoisted into the deformation joint along with the first sliding rail, and is fixed by using the support steel pipe, and only the split bolt is required to be dismantled when the template is dismantled, so that the whole aluminum template is hoisted out instantly, and the problems that the inner-joint bulging die deforms and the inner-joint template cannot be dismantled cleanly when the traditional deformation joint is constructed are solved.
(2) The auxiliary rail is smoothly slid into the first rail, the second sliding rail is smoothly slid into the auxiliary rail, and the auxiliary rail is only required to be slid in by utilizing a preset rail in the installation and dismantling processes of the formwork supporting system, and is pulled out during dismantling, so that the construction is rapid.
(3) The length of first slide rail and second slide rail can be adjusted according to actual conditions, easy to assemble avoids the material extravagant.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a pull type deformation joint formwork system;
FIG. 2 is a schematic illustration of the connection of the first form of the inner aluminum form and the pull bracket;
FIG. 3 is a schematic illustration of the connection of a second form of an aluminum inner form to a pull bracket;
FIG. 4 is a schematic view of the combined structure of the first support frame and the inner aluminum form;
FIG. 5 is a schematic view of a combined structure of the first support frame, the inner aluminum form and the first rail;
FIG. 6 is a schematic structural view of a first rail unit;
FIG. 7 is a cross-sectional view A-A of the first rail member of FIG. 6;
FIG. 8 is a perspective view of a secondary rail;
FIG. 9 is a section B-B of the auxiliary rail of FIG. 8;
FIG. 10 is a perspective view of the second support bracket;
FIG. 11 is a schematic view of a combination structure of a second support frame and a second slide rail;
FIG. 12 is a perspective view of a second slide rail unit;
FIG. 13 is a C-C cross-sectional view of the second rail member of FIG. 12;
FIG. 14 is a longitudinal cross-sectional view of a split bolt of a pull type deformation joint formwork system;
FIG. 15 is a schematic diagram of the structure of the present invention after the completion of step five;
FIG. 16 is a schematic diagram of the structure of the present invention after the completion of step six;
FIG. 17 is a schematic diagram of the structure of the present invention after the completion of step seven;
FIG. 18 is a schematic diagram of the structure of the present invention after the completion of step eight;
FIG. 19 is a schematic view of the structure of the present invention after step nine;
FIG. 20 is a schematic view of the structure of the superstructure shear wall after completion and removal of the formwork system.
Labeling and describing: the concrete pouring device comprises the following components of a 1-inner aluminum template, a 11-leakage-proof rubber gasket, a 12-split bolt through hole, a 2-outer aluminum template, a 21-vertical keel, a 3-first support frame, a 31-transverse back edge, a 32-longitudinal back edge, a 33-first lifting rope, a 34-first slide rail mounting hole, a 4-first slide rail, a 41-first slide rail fixing bolt, a 42-first slide rail fixing hole, a 5-auxiliary rail, a 51-auxiliary rail framework, a 52-roller, a 53-roller shaft, a 6-second slide rail, a 61-second slide rail split bolt, a 62-nut, a 63-second slide rail split bolt hole, a 7-second support frame, a 71-support frame longitudinal rod, a 72-support frame cross rod, a 73-second lifting rope, a 74-second slide rail through hole, an 8-precast concrete support, a 9-split screw, a 10-fixing nut, a 101-poured concrete floor, a 102-reserved hole, a 103-support steel pipe, a 104-template fixing piece, a 105-shear wall, a 106-grout filling body, a 107-deformation joint and a 108-vertical support cage.
Detailed Description
The invention will be further understood by reference to the following examples which are given to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, the invention relates to a drawing type deformation joint formwork system, which comprises two inner aluminum templates 1 and two outer aluminum templates 2, wherein the two inner aluminum templates 1 are arranged in parallel at intervals, a drawing type bracket is arranged between the two inner aluminum templates 1, the inner aluminum templates 1 and the outer aluminum templates 2 are made of a whole aluminum plate, and the bottom of the outer side surface of the inner aluminum templates 2 is also provided with a leakage-proof rubber gasket 11.
Referring to fig. 1 to 3, the pull-out support comprises a first support frame 3, a first slide rail 4, a second slide rail 5, a second slide rail 6 and a second support frame 7 arranged between the two second slide rails 6, wherein the first support frame 3, the first slide rail 4, the second slide rail 5 and the second support frame 7 are bilaterally symmetrical. The first support frame 3 is composed of transverse back ribs 31 and longitudinal back ribs 32 which are welded with each other in a crisscross manner, wherein the uppermost transverse back rib 31 is provided with a first lifting rope 33 for lifting. The first supporting frames 3 are respectively fixed on the inner sides of the inner aluminum templates 1 on two sides in a welding or bolting mode. Referring to fig. 4, the inner aluminum steel plate 1 is provided with a split bolt through hole 12 at the center of the square formed by the transverse back ridge 31 and the longitudinal back ridge 32, and the split bolt through hole 12 is used for passing through the split screw 9 and locking the outer aluminum template 2 in the later stage. The surface of the longitudinal back ridge 32 is drilled with a first slide rail mounting hole 34 for later mounting of the first slide rail.
Referring to fig. 1 and 5, the first sliding rails 4 are respectively fixed on the inner sides of the longitudinal back edges 32 through first fixing bolts 41, so as to adapt to the formwork systems with different heights, each first sliding rail 4 in the invention is connected by a plurality of first sliding rail monomers with the length of 1m in an end-to-end manner, each first sliding rail monomer has a structure as shown in fig. 6 and 7, two first sliding rail fixing holes 42 are respectively arranged, the first sliding rail fixing holes 42 are in one-to-one correspondence with the first sliding rail mounting holes 34, and when each first sliding rail monomer is mounted, only the first fixing bolts 41 need to sequentially penetrate through the first sliding rail fixing holes 42 and the first sliding rail mounting holes 34 and are screwed. The inner side of the first sliding rail 4 is provided with a sliding groove, two sides of the sliding groove of the first sliding rail 4 are arranged at an included angle of 30 degrees, the inner walls of the two sides are of arc structures, and the arc is in a hook shape with the radius of 2 cm.
Referring to fig. 2-3 and fig. 8-9, the auxiliary rail 5 includes an auxiliary rail skeleton 51 and a plurality of rollers 52, the auxiliary rail skeleton 51 is in a concave-convex shape, and includes two side walls, a row of round holes are formed in the two side walls, rollers 52 are used in the round holes, the rollers 52 are connected with the auxiliary rail skeleton 51 through roller shafts 53, the radius of the rollers 52 is 2cm and slightly smaller than the aperture of the round holes, so that a movable gap exists between the rollers 52 and the auxiliary rail skeleton 51, the rollers 52 can freely rotate with the roller shafts 53 as axes, and after the auxiliary rail 5 is placed in the first sliding rail 4, the rollers 52 are matched with the radian of the inner side walls of sliding grooves corresponding to the first sliding rail 4.
Referring to fig. 10 to 11, the second support frame 7 includes vertically and horizontally staggered support frame longitudinal bars 71 and support frame cross bars 72 welded to each other, wherein the top of two opposite support frame longitudinal bars 71 is provided with a second lifting rope 73, second sliding rail through holes 74 penetrating the support frame longitudinal bars 71 are arranged on the support frame longitudinal bars 71 at intervals, and the second sliding rail through holes 74 are used for the second sliding rail split bolts 61 to penetrate and lock the second sliding rails 6 on two sides. Referring to fig. 12-13, in order to adapt to formwork supporting systems with various heights, the second sliding rail 6 of the present invention is formed by connecting end to end with second sliding rail monomers with the length of 1m, each second sliding rail monomer is provided with two second sliding rail opposite-pull bolt holes 63, one side of the second sliding rail monomer corresponding to the roller 52 is in an arc structure, the arc is a semicircle with the radius of 2cm, and the second sliding rail monomers are fixed at two sides of the second supporting frame 7 through the second sliding rail opposite-pull bolts 61. After the combination of the second supporting frame 7 and the second sliding rail 6 is hung into the auxiliary rail 5, the arc structures on two sides of the second sliding rail 6 are just matched with the outer ring of the roller 52. It should be noted that, in the present embodiment, the distance between the second support frame 7 and the second sliding rail 6 can be adjusted according to the width of the deformation joint, when the width of the deformation joint is small, the second rail 6 can be arranged close to the second support frame 7, and is locked by a second sliding rail split bolt 61 and two nuts 62, as shown in fig. 2; when the width of the deformation joint is larger, the second rails 6 on both sides are spaced from the second supporting frame 7, and are locked by a second sliding rail split bolt 61 and six nuts 62, as shown in fig. 3.
Referring to fig. 1 and 14, two outer aluminum templates 2 are respectively fixed on the outer sides of two inner aluminum templates through precast concrete supports 8, the two outer aluminum templates 2 are locked and connected through a split screw 9 and a fixing nut 10, and the split screw 9 just penetrates through a split screw through hole 12 on the inner aluminum template 1.
The construction method of the drawing type deformation joint formwork system is characterized by comprising the following steps of:
step one: welding a transverse back ridge 31 and a longitudinal back ridge 32 on the inner surface of the inner aluminum template 1 to form a first support frame 3, punching a split bolt through hole 12 on the inner aluminum template 1, arranging a first lifting rope 33 on the uppermost transverse back ridge 31, sticking a leakage-proof rubber gasket 11 on the bottom of the inner aluminum template 1, and drilling a first slide rail mounting hole 34 on the inner surface of the longitudinal back ridge 32;
step two: sequentially fixing the first slide rail 4 on the corresponding longitudinal back rib 32 by using a first slide rail fixing bolt 41;
step three: manufacturing a rail assisting frame 5, sequentially installing rollers 52 on roller shafts 53 on the rail assisting frame 51, and leaving movable gaps between the rollers 52 and the rail assisting frame 51;
step four: the support frame longitudinal rod 71 and the support frame transverse rod 72 are welded with each other to form a second support frame 7, a second lifting rope 73 is arranged at the top of the support frame longitudinal rod 71, second slide rail through holes 74 are drilled on the support frame longitudinal rod 71 at intervals, second slide rails 6 are placed on two sides of the support frame longitudinal rod 71, and the second slide rails 6 on two sides are locked by second slide rail counter bolts 61;
step five: referring to fig. 15, a reserved hole 102 is formed at a deformation joint of a poured concrete floor 101, a supporting steel pipe 103 is inserted into the reserved hole 102, a formwork fixing piece 104 is welded on the supporting steel pipe 103, a crane is used for hanging a first lifting rope 33, an inner aluminum formwork 1, a first support frame 3 and a first sliding rail 4 are integrally adjusted into the deformation joint, the inner aluminum formwork 1 is attached to walls at two sides of a construction joint and is fixed by a formwork fixing piece 104, and the formwork fixing piece 104 adopts an A12 steel bar with the length of 10 cm;
step six: with reference to fig. 16, two auxiliary rails 5 are hoisted, and the auxiliary rails 5 are respectively clung to the sliding grooves of the first sliding rail 4 to slide down;
step seven: with reference to fig. 17, a second lifting rope 73 of the second support frame 7 is lifted by a crane, the second support frame 7 and the second sliding rail 6 are integrally lifted between the two auxiliary rails 5 and slide down along the auxiliary rails 5;
step eight: referring to fig. 18, a vertical keel 21 is arranged on the back of the outer aluminum mould plate 2, a prefabricated concrete support 8 is connected to a vertical support steel reinforcement cage 108, and the outer aluminum mould plate 2 is oppositely pulled and fixed by matching with a oppositely pulling screw 9 and a fixing nut 10;
step nine: referring to fig. 19, a concrete pouring pipe is extended into a gap between an inner aluminum template 1 and an outer aluminum template 2 from top to bottom, and concrete is poured while the pouring pipe is lifted, so that a shear wall 105 with a superstructure is formed;
step ten: with reference to fig. 20, after the concrete strength reaches the detachable strength, the opposite-pulling screw rod 9 and the outer aluminum template 2 are removed, the second support frame 7 and the second slide rail 6 are integrally pulled out of the deformation joint, the auxiliary rail 5 is pulled out, finally the first support frame 3, the first slide rail 4 and the inner aluminum template 1 are integrally pulled out to form a shear wall with an upper layer structure, cement mortar is poured into reserved holes reserved at the poured concrete floor 101 to form a cement paste filling body 106, and the deformation joint 107 is formed between the newly poured shear walls 105 at two sides.
The split counter screw 9, the outer aluminum die plate 2, the second supporting frame 7, the second sliding rail 6, the auxiliary rail 5, the first supporting frame 3, the first sliding rail 4 and the inner aluminum die plate 1 which are detached in the step ten are all recovered and can be reused.
The present invention has been described in detail with reference to the embodiments, but the description is only the preferred embodiments of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention should be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a pull formula movement joint formwork system which characterized in that: the aluminum mould comprises two inner aluminum mould plates and two outer aluminum mould plates, wherein the two inner aluminum mould plates are arranged in parallel at intervals, and a pull type bracket is arranged between the inner aluminum mould plates; the pull type support comprises a first support frame, a first sliding rail, a rail assisting device, a second sliding rail and a second support frame, wherein the first support frame, the first sliding rail, the rail assisting device, the second sliding rail and the second support frame are bilaterally symmetrical, the second support frame is arranged between the second sliding rails on the two sides, the first support frame is respectively fixed on the inner sides of the aluminum templates on the two sides, the top of the first support frame is provided with a first lifting rope, the first sliding rail is respectively fixed on the inner sides of the first support frames on the two sides through first fixing bolts, sliding grooves are respectively arranged on the inner sides of the first sliding rail, the rail assisting device comprises a rail assisting framework and a plurality of rollers, the rollers are connected with the rail assisting framework through roller shafts, the inner sides of the sliding grooves of the first sliding rail are of arc structures, the radians of the arc structures correspond to the radians of outer rings of the rollers, the rail assisting device is matched with the sliding grooves of the corresponding first sliding rails on the two sides through the rollers, the second sliding rails are provided with second lifting ropes, the second sliding rails are respectively fixed on the two sides of the second support frame through second sliding rails; the two outer aluminum templates are fixed on the outer sides of the two inner aluminum templates through prefabricated concrete supports, and the two outer aluminum templates are locked and connected through opposite-pull screws and fixing nuts.
2. The drawn form system of claim 1, wherein: the first support frame comprises a transverse back edge and a longitudinal back edge which are welded with each other, and the first lifting rope is arranged on the uppermost transverse back edge.
3. The drawn form system of claim 1, wherein: the second support frame include support frame longitudinal rod and the support frame horizontal pole of mutual welded, the second lifting rope establish at the top of support frame longitudinal rod.
4. The drawn form system of claim 1, wherein: the second sliding rail is closely attached to the second supporting frame.
5. The drawn form system of claim 1, wherein: and a gap exists between the second sliding rail and the second supporting frame, and the second sliding rail is fixedly connected with the second supporting frame through a plurality of second sliding rail split bolts.
6. The drawn form system of claim 1, wherein: the bottom of the outer side surface of the inner aluminum template is provided with a leakage-proof rubber gasket.
7. A formwork method based on the drawing deformation joint formwork system as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
(1) Welding a transverse back edge and a longitudinal back edge on the inner surface of an inner aluminum template to form a first support frame, punching a split bolt through hole in the inner aluminum template, arranging a first lifting rope on the uppermost transverse back edge, sticking a leakage-proof rubber gasket on the bottom of the inner aluminum template, and drilling a first sliding rail mounting hole on the inner surface of the longitudinal back edge;
(2) Sequentially fixing the first slide rail on the corresponding longitudinal back edge by using a first slide rail fixing bolt;
(3) Manufacturing a rail, sequentially installing rollers on roller shafts on a rail-assisting framework, and reserving movable gaps between the rollers and the rail-assisting framework;
(4) The support frame longitudinal rod and the support frame cross rod are welded with each other to form a second support frame, a second lifting rope is arranged at the top of the support frame longitudinal rod, second slide rail through holes are drilled on the support frame longitudinal rod at intervals, and second slide rails are placed on two sides of the support frame longitudinal rod and locked with second slide rails on two sides by using second slide rail counter bolts;
(5) A reserved hole is arranged at a deformation joint of a poured concrete floor, a supporting steel pipe is inserted in the reserved hole, a template fixing piece is welded on the supporting steel pipe, a first lifting rope is lifted by a crane, and an inner aluminum template, a first support frame and a first sliding rail are integrally adjusted into the deformation joint, so that the inner aluminum template is attached to walls at two sides of a construction joint and is fixed by the template fixing piece;
(6) Hoisting two auxiliary rails, and respectively sliding down the auxiliary rails close to the sliding grooves of the first sliding rail;
(7) A second lifting rope of the second support frame is lifted by a crane, and the second support frame and the second sliding rail are integrally lifted between the two auxiliary rails and slide downwards along the auxiliary rails;
(8) The back of the outer aluminum template is provided with a vertical keel, and the vertical keel is supported and connected with a vertical supporting reinforcement cage by precast concrete, and the outer aluminum template is oppositely pulled and fixed by matching with a oppositely pulling screw rod and a fixing nut;
(9) Extending a concrete pouring pipe into a gap between the inner aluminum template and the outer aluminum template from top to bottom, pouring concrete, and lifting the pouring pipe to form a shear wall;
(10) After the concrete strength reaches the detachable strength, the opposite-pulling screw rod and the outer aluminum template are removed, the second support frame and the second sliding rail are integrally pulled out of the deformation joint, the auxiliary rail is pulled out, and finally the first support frame, the first sliding rail and the inner aluminum template are integrally pulled out.
8. The formwork method of the drawing type deformation joint formwork system as claimed in claim 7, wherein the method comprises the following steps: the template fixing piece in the step 5 adopts an A12 steel bar with the length of 10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240017.9A CN109356382B (en) | 2018-10-24 | 2018-10-24 | Drawing type deformation joint formwork supporting system and construction method |
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| CN110541566A (en) * | 2019-09-26 | 2019-12-06 | 长沙远大住宅工业（江苏）有限公司 | connecting joint of forming die, floor slab and prefabricated wall panel and construction method of connecting joint |
| CN111910786B (en) * | 2020-08-10 | 2021-12-17 | 上海万科企业有限公司 | Construction method for clinging deformation joint of TOD upper cover plate structural column |
| CN113199602B (en) * | 2021-06-04 | 2023-04-07 | 中冶交投善筑成都装配式建筑科技发展有限公司 | Cambered surface prefabricated part mold and manufacturing method of prefabricated part |
| CN114961238A (en) * | 2022-05-29 | 2022-08-30 | 五冶集团上海有限公司 | Formwork supporting system and method for same-layer construction of deformation joint of concrete structure |
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| GB528636A (en) * | 1939-05-11 | 1940-11-04 | Adam Parker | An improved removable spacing device for supporting internal shuttering for poured concrete and like hollow walls |
| CN104328908A (en) * | 2014-08-11 | 2015-02-04 | 泰昌建设有限公司 | Deformation joint double-layer shear wall formwork structure and method of using formwork structure to construct double-layer shear wall |
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