CN112177179A - Large integral underground space structure shrinkage crack control device and control method - Google Patents
Large integral underground space structure shrinkage crack control device and control method Download PDFInfo
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- CN112177179A CN112177179A CN202011066877.2A CN202011066877A CN112177179A CN 112177179 A CN112177179 A CN 112177179A CN 202011066877 A CN202011066877 A CN 202011066877A CN 112177179 A CN112177179 A CN 112177179A
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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Abstract
The invention discloses a large integral underground space structure shrinkage crack control device and a control method, and the technical scheme is as follows: the steel plate pouring device comprises a control device and a pouring component, wherein the control device is fixedly arranged on the inner wall of the pouring component and comprises a first steel plate, the first steel plate is provided with three groups, two sides of the first steel plate are provided with a second steel plate, the inner walls of the two sides of the first steel plate and the second steel plate are provided with a second mounting groove, the bottom and the top of the inner wall of the second mounting groove are fixedly provided with limiting strips, two sides of the first steel plate are provided with supporting beams, and the supporting beams are provided with four groups: the first mounting groove and the third mounting groove are fixedly provided with the first stretching plate and the second stretching plate, the first stretching plate and the third stretching plate are fixedly provided with the first mounting groove and the third mounting groove, the third stretching plate is mounted at the bottom of the second steel plate through the first rivet, the first steel bar binding steel bars are bound on the inner wall of the steel frame, and the concrete is extruded inwards to enable the first steel plate and the second steel plate to reduce stress through the first stretching plate, the supporting beam, the second stretching plate and the third stretching plate, so that the effect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a large integral underground space structure shrinkage crack control device and a control method.
Background
The expansion joint for building is a structural joint set in proper position along building or construction joint direction to prevent the structure from cracking or destroying due to the expansion caused by heat and contraction caused by weather temperature change.
The prior art has the following defects: at present in the construction field, because component length is longer, especially underground space outer wall, often set up the shrinkage joint at the interval on underground space outer wall to solve the unevenness of building horizontal deformation and vertical deformation, avoid the large tracts of land fracture of underground space outer wall, shorten compensation crack engineering time, but the shrinkage joint is invaded moisture with the interior wall position easily, thereby influences the construction quality of underground space outer wall body.
Therefore, the invention is necessary to develop a large-scale integrated underground space structure shrinkage crack control device and a control method.
Disclosure of Invention
The invention provides a large integral type underground space structure contraction crack control device and a control method, wherein a first steel plate is connected with a second installation groove of a second steel plate through a support beam, a first stretching plate and a second stretching plate are fixedly installed on the first installation groove and the inner wall of the third installation groove, the third stretching plate is installed at the bottom of the second steel plate through a first rivet, a first steel bar is bound on the inner wall of a steel frame through a binding bar, a rubber waterstop is inserted into the rubber waterstop on the four inner walls of the installation groove and is butted through hot vulcanization when the rubber waterstop needs to be lengthened, and therefore the problem that cracks appear on the.
In order to achieve the above purpose, the invention provides the following technical scheme: the shrinkage crack control device of the large-scale integral underground space structure comprises a control device and a pouring member, wherein the control device is fixedly arranged on the inner wall of the pouring member, the control device comprises a first steel plate, the first steel plate is provided with three groups, two sides of the first steel plate are provided with a second steel plate, the inner walls of the two sides of the first steel plate and the second steel plate are provided with a second mounting groove, the bottom and the top of the inner wall of the second mounting groove are fixedly provided with a limit strip, two sides of the first steel plate are provided with four groups of support beams, two sides of the top and two sides of the bottom of each support beam are provided with clamping grooves, the first steel plate and the second steel plate are movably connected through the support beams, the support beams are inserted into the inner walls of the two mounting grooves, the limit strips are inserted into the inner walls, the wood strip is characterized in that protruding blocks are arranged on two sides of the first wood strip, two through holes are formed in one side of the wood strip, the first wood strip is connected with the second wood strip in an inserting mode through the inner wall of the first wood strip, three through holes are formed in two sides of the second wood strip, two rivets are arranged on two sides of the first wood strip, and the first wood strip is fixedly connected with the second wood strip through the two rivet inserting through holes and the three through holes.
Preferably, mounting groove one has been seted up at two tops of mounting groove, a steel sheet both sides are equipped with stretching plate one, stretching plate one both sides fixed mounting is at mounting groove inner wall, mounting groove three has been seted up to two bottoms of mounting groove, a steel sheet both sides are equipped with stretching plate two, two both sides of stretching plate are fixed according to at three inner walls of mounting groove.
Preferably, a C-shaped groove is formed in one side of the steel plate, a first rivet is fixedly mounted on the inner wall of the C-shaped groove, a third stretching plate is arranged at the bottom of the steel plate, a first through hole is uniformly formed in the top of the third stretching plate, and the second steel plate is fixedly connected with the third stretching plate through a first rivet inserting through hole.
Preferably, a fifth mounting groove is formed in the joint of the first batten and the second batten, the control device is inserted into the fifth inner wall of the mounting groove, and one end of the U-shaped steel bar is fixedly connected with the inner side of the steel frame.
Preferably, a first template is fixedly mounted on two sides of the steel frame, a second template is fixedly mounted on two sides of the first template, the first template is two groups of steel bars are uniformly mounted on the inner side of the steel frame, a second steel bar is uniformly mounted at the bottom of the first steel bar, a fourth mounting groove is formed in the steel frame and the inner wall of the first steel bar, and a rubber water stop is fixedly mounted on the four inner walls of the mounting groove.
Preferably, the outer wall of the template is uniformly provided with vertical support bars, and the outer wall of each vertical support bar is uniformly provided with a transverse support bar.
Preferably, a cushion block is fixedly installed at the joint of the first batten and the second batten.
Preferably, two inboards of stuff are equipped with connector link one, a connector link outer wall fixed mounting has rivet three, connector link one is through rivet three fixed mounting in two inboards of stuff, a connector link bottom is equipped with mounting groove six, two grafting of reinforcing bar are in six inner walls in groove.
Preferably, two inboards of stuff are equipped with connector link two, connector link two is detained and end is detained including the top, two tops of connector link are equipped with rivet three, top is detained and is detained with end and install two outer walls of reinforcing bar and pass through rivet three fixed mounting at two inboards of stuff.
The large integral underground space structure shrinkage crack control method includes the following operation steps:
the method comprises the following steps: the inner wall of the steel frame is bound with a first steel bar through a binding bar, the rubber waterstops are inserted into the four inner walls of the mounting groove and are butted through hot vulcanization, and the inner wall of the steel frame is bound with a second steel bar through a binding bar;
step two: mounting battens I on two sides of the inner wall of the mounting groove five, mounting battens II on the inner wall of the battens I to fix the battens II through rivets II, mounting a control device on the outer wall of the battens II, wrapping the pouring member and the control device by the transverse support bars and the templates II, and pouring and jolting concrete in layers;
step three: and (4) removing the first template and the second template, starting covering and maintaining after initial setting, and watering and covering the sheet-shaped objects after final setting to ensure the wettability of the concrete.
The invention has the beneficial effects that:
1. the first steel plate is connected with the second steel plate through a support beam, a first stretching plate and a second stretching plate are fixedly installed on the first steel plate and the inner wall of the third steel plate, a third stretching plate is installed at the bottom of the second steel plate through a first rivet, a first steel bar is bound on the inner wall of a steel frame through a binding bar, concrete is extruded inwards to enable the first steel plate and the second steel plate to pass through the first stretching plate, the support beam, the second stretching plate and the third stretching plate to reduce stress, and the effect of reducing temperature stress damage and crack generation is achieved;
2. mounting groove one has been seted up at two tops of mounting groove, and a steel sheet both sides are equipped with tensile board one, and a tensile board both sides fixed mounting has seted up mounting groove three in a mounting groove inner wall, states two bottoms of mounting groove, and a steel sheet both sides are equipped with tensile board two, states two both sides of tensile board and fix according to at three inner walls of mounting groove, and the rubber waterstop is pegged graft and is passed through the hot vulcanization butt joint when four inner wall rubber waterstops of mounting groove need lengthen, has the effect that prevents contraction joint and interior wall position and invade moisture easily.
Drawings
Fig. 1 is a schematic view of a control device mounting structure according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a control device according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a steel sheet according to example 1 of the present invention;
FIG. 4 is a schematic side view of a steel plate according to example 1 of the present invention;
fig. 5 is a schematic view of a casting member installation structure according to embodiment 1 of the present invention;
fig. 6 is an exploded view of a casting component according to embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a second batten in embodiment 1 of the invention;
fig. 8 is a schematic structural view of a connecting buckle according to embodiment 1 of the present invention;
fig. 9 is a schematic view of a rubber waterstop mounting structure according to embodiment 1 of the present invention;
fig. 10 is a schematic structural view of a second connecting buckle in embodiment 2 of the invention.
In the figure: the concrete pouring device comprises a control device 100, a first steel plate 110, a first mounting groove 111, a second mounting groove 112, a limiting strip 113, a third mounting groove 114, a second steel plate 120, a first rivet 121, a first stretching plate 130, a support beam 140, a clamping groove 141, a second stretching plate 150, a U-shaped steel bar 160, a third stretching plate 170, a first through hole 171, a C-shaped groove 180, a pouring member 200, a first formwork 210, a first transverse support bar 211, a vertical support bar 212, a second formwork 220, a steel frame 230, a first steel bar 231, a second steel bar 232, a fourth mounting groove 233, a rubber water stop 240, a first batten 250, a bump 251, a second through hole 252, a second rivet 253, a second batten 260, a third through hole 261, a cushion block 262, a fifth mounting groove 270, a first connecting buckle 280, a third rivet 281, a sixth mounting groove 282, a second connecting buckle 283, a top buckle.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Embodiment 1, referring to fig. 1 to 9, the shrinkage crack control device of a large-scale integral underground space structure provided by the invention comprises a control device 100 and a pouring member 200, wherein the control device 100 is fixedly installed on the inner wall of the pouring member 200, the control device 100 comprises a first steel plate 110, the first steel plate 110 is provided with three groups, two steel plates 120 are arranged on two sides of the first steel plate 110, two installation grooves 112 are arranged on the inner walls of the two sides of the first steel plate 110 and the second steel plates 120, a limit strip 113 is fixedly installed at the bottom and the top of the inner wall of the second installation groove 112, two support beams 140 are arranged on two sides of the first steel plate 110, the support beams 140 are provided with four groups, two clamp grooves 141 are arranged on two sides of the top and two sides of the bottom of the support beam 140, the two groups of the first steel plates 110 and the second steel plates, the outer sides of the second steel plates 120 are uniformly provided with U-shaped steel bars 160, the pouring component 200 comprises a steel frame 230, two sides of the inner wall of the steel frame 230 are inserted with a first batten 250, two sides of the first batten 250 are provided with bumps 251, one side of the first batten 250 is provided with a second through hole 252, two groups of the first battens 250 are inserted with a second batten 260, two sides of the second batten 260 are provided with a third through hole 261, two sides of the first batten 250 are provided with a second rivet 253, the first batten 250 is fixedly connected with the second batten 260 through the second rivet 253 and the second through hole 252, specifically, the first steel plate 110 and the second steel plate 120 are made of stainless steel, the second mounting groove 112 has an installation effect on the support beams 140, the limiting strips 113 have a limiting effect on the support beams 140, the support beams 140 have a supporting effect on the first steel plate 110 and the second steel plates 120, the U-shaped steel bars 160 have a fixing effect on the second steel plates 120, and the first, the second rivet 253 has the function of fixing the first batten 250 and the second batten 260, the bump 251 has the function of increasing the supporting strength of the first batten 250, and the first batten 250 and the second batten 260 have the function of installing the control device 100;
furthermore, the top of the second installation groove 112 is provided with a first installation groove 111, two sides of the first steel plate 110 are provided with first stretching plates 130, two sides of the first stretching plate 130 are fixedly arranged on the inner wall of the first mounting groove 111, the bottom of the second mounting groove 112 is provided with a third mounting groove 114, the two sides of the first steel plate 110 are provided with a second stretching plate 150, the two sides of the second stretching plate 150 are fixedly pressed on the inner wall of a third mounting groove 114, specifically, the inner wall of the first mounting groove 111 is set to be a circular structure and has certain limiting capacity, the first mounting groove 111 has a fixing effect on the first stretching plate 130, the two sides of the first stretching plate 130 and the second stretching plate 150 are set to be circular hollow structures, the first stretching plate 130 and the second stretching plate 150 have a rebound effect and are not prone to water leakage, the third mounting groove 114 has a fixing effect on the second stretching plate 150, the first stretching plate 130 is made of stainless steel and has certain plasticity, toughness and strength, and the first stretching plate 130 has a protection effect and prevents;
further, a C-shaped groove 180 is formed in one side of the second steel plate 120, a first rivet 121 is fixedly mounted on the inner wall of the C-shaped groove 180, a third stretching plate 170 is arranged at the bottom of the second steel plate 120, first through holes 171 are uniformly formed in the top of the third stretching plate 170, the second steel plate 120 is fixedly connected with the third stretching plate 170 through the first rivet 121 in an inserting mode through the first through holes 171, specifically, after the second steel plate 120 is installed, concrete 290 is poured to enable the C-shaped groove 180 to be tightly combined with the concrete 290, the C-shaped groove 180 has an effect of preventing the second steel plate 120 from loosening and cracking the concrete 290, durability is improved, the first rivet 121 has a fixing effect on the third stretching plate 170, the third stretching plate 170 is made of stainless steel and has certain plasticity, toughness and strength, and the third stretching plate 170 has a stretching effect and a specific waterproof effect;
further, a fifth mounting groove 270 is formed at the joint of the first batten 250 and the second batten 260, the control device 100 is inserted into the inner wall of the fifth mounting groove 270, one end of the U-shaped steel bar 160 is fixedly connected with the inner side of the steel frame 230, specifically, the fifth mounting groove 270 has an effect on the control device 100, the steel frame 230 has a fixing effect on the U-shaped steel bar 160, and the U-shaped steel bar 160 has a fixing effect on the control device 100;
further, the two sides of the steel frame 230 are fixedly provided with the first formworks 210, the two sides of the first formworks 210 are fixedly provided with the second formworks 220, the inner sides of the two groups of steel frames 230 are uniformly provided with the first reinforcing steel bars 231, the bottoms of the first reinforcing steel bars 231 are uniformly provided with the second reinforcing steel bars 232, the inner walls of the steel frame 230 and the first reinforcing steel bars 231 are provided with the fourth installation grooves 233, and the inner walls of the fourth installation grooves 233 are fixedly provided with the rubber water stop 240, specifically, the first formworks 210 and the second formworks 220 are temporary supporting structures of the building formworks and are manufactured according to design requirements, so that concrete structures and members are formed according to specified positions and geometric dimensions, the correct positions of the concrete structures and the members are kept, the self weights of the building formworks and external loads acting on the concrete structures are borne, the purpose of formwork engineering is achieved, the effects of ensuring the quality and construction safety, because the internal force caused by temperature change or concrete shrinkage bears and disperses the internal force generated by the load on the upper part of the slab, the steel frame 230 has the function of bearing the whole fixed stress, so that the positions of the first steel bar 231 and the second steel bar 232 are convenient to fix in construction, the steel frame 230 has the supporting function on the first steel bar 231 and the second steel bar 232, the groove four 233 has the fixing function on the rubber water stop 240, and the rubber water stop 240 is required to be partially or completely embedded in the concrete during installation, so that the concrete has a plurality of stones with sharp corners and sharp steel bar heads, because the tearing strength of the plastic and the rubber is lower than the tensile strength, once the rubber water stop 240 is punctured or torn, the crack can be enlarged without large external force, in the process of waterstop positioning and concrete pouring, the concrete pouring time of each area is controlled, layered pouring and vibrating are adopted, so as to prevent the water stop from being punctured and affecting the water stop effect, the rubber water stop 240 has the function of water prevention;
furthermore, vertical support bars 212 are uniformly arranged on the outer wall of the first template 210, transverse support bars 211 are uniformly arranged on the outer wall of the vertical support bars 212, and specifically, the vertical support bars 212 and the transverse support bars 211 are arranged correspondingly, so that the first template 210 is prevented from deforming;
further, a cushion block 262 is fixedly installed at the joint of the first batten 250 and the second batten 260, and specifically, the cushion block 262 has the function of protecting the thickness of the protective layer of the first reinforcing steel bar 231 and the second reinforcing steel bar 232 at the contraction joint;
further, a first connecting buckle 280 is arranged on the inner side of the second batten 260, a third rivet 281 is fixedly installed on the outer wall of the first connecting buckle 280, the first connecting buckle 280 is fixedly installed on the inner side of the second batten 260 through the third rivet 281, a sixth installation groove 282 is formed in the bottom of the first connecting buckle 280, and the second reinforcing steel bar 232 is inserted into the inner wall of the sixth installation groove 282.
Example 2:
when the invention is used, workers in the field need to connect the first steel plate 110 with the second steel plate 120 through the support beam 140, fixedly install the first stretching plate 130 and the second stretching plate 150 on the inner walls of the first installation groove 111 and the third installation groove 114, install the third stretching plate 170 at the bottom of the second steel plate 120 through the first rivet 121, bind the first steel bar 231 on the inner wall of the steel frame 230 through the binding bar, insert the rubber water stop 240 on the inner wall of the fourth installation groove 233, butt joint the rubber water stop 240 through heat vulcanization when the rubber water stop needs to be lengthened, bind the second steel bar 232 on the inner wall of the steel frame 230 through the binding bar, install the first wood bar 250 on both sides of the inner wall of the fifth installation groove 270, install the second wood bar 260 on the inner wall of the first wood bar 250 through the second rivet 253 to fix the first wood bar 260, install the control device 100 on the outer wall of the second wood bar 260, wrap the pouring member 200 and the control device 100 through the transverse support bar 211 and the second formwork 220, then, watering is started after final setting, the sheet-shaped objects are covered to ensure the wettability of the concrete 290, when the concrete 290 shrinks and cracks or deforms, the building can horizontally stretch along the length direction, the concrete 290 is squeezed inwards to reduce the stress of the first steel plate 110 and the second steel plate 120 through the first stretching plate 130, the supporting beam 140, the second stretching plate 150 and the third stretching plate 170, and finally the effect of reducing the temperature stress and the cracks caused by damage is achieved.
Example 3:
referring to the description and the accompanying fig. 10, the large integral underground space structure shrinkage crack control device and the control method of the embodiment further comprise a second connecting buckle 283;
further, two 260 insides of stuff are equipped with two 283 connecting buckles, two 283 connecting buckles include top buckle 284 and bottom buckle 285, two 283 tops of connecting buckle are equipped with three 286 rivets, top buckle 284 and bottom buckle 285 are installed at two 232 outer walls of reinforcing bar and are passed through three 286 rivets fixed mounting at two 260 insides of stuff, and specifically, two 283 connecting buckles have the effect of connecting two 260 stuff and two 232 reinforcing bars, top buckle 284 and bottom buckle 285 have the effect of fixing two 232 reinforcing bars, and three 286 rivets have the effect of fixing two 283 connecting buckles.
The implementation scenario is specifically as follows: in using the present invention, a worker in this field needs to replace the first connector 280 with the second connector 283.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. Large-scale integral underground space structure shrinkage crack controlling means, its characterized in that: the steel plate pouring device comprises a control device (100) and a pouring member (200), wherein the control device (100) is fixedly installed on the inner wall of the pouring member (200), the control device (100) comprises a first steel plate (110), three groups of the first steel plate (110) are arranged, two groups of second steel plates (120) are arranged on two sides of the first steel plate (110), two mounting grooves (112) are formed in the inner walls of the two sides of the first steel plate (110) and the second steel plates (120), limiting strips (113) are fixedly installed at the bottom and the top of the inner wall of the second mounting grooves (112), supporting beams (140) are arranged on two sides of the first steel plate (110), four groups of the supporting beams (140) are arranged, clamping grooves (141) are formed in two sides of the top and two sides of the bottom of the supporting beam (140), the two groups of the first steel plate (110) and the second steel, the limiting strips (113) are inserted into the inner wall of the clamping groove (141), U-shaped steel bars (160) are uniformly installed on the outer side of the second steel plate (120), the pouring component (200) comprises a steel frame (230), first battens (250) are inserted into two sides of the inner wall of the steel frame (230), protruding blocks (251) are arranged on two sides of the first battens (250), two through holes (252) are formed in one side of the first battens (250), two groups of battens (260) are inserted into the inner wall of the first battens (250), three through holes (261) are formed in two sides of the second battens (260), two rivets (253) are arranged on two sides of the first battens (250), and the first battens (250) are fixedly connected with the second battens (260) through the second rivets (253) and the second through holes (252).
2. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: mounting groove one (111) has been seted up at mounting groove two (112) top, and steel sheet one (110) both sides are equipped with stretching plate one (130), stretching plate one (130) both sides fixed mounting is in mounting groove one (111) inner wall, mounting groove three (114) have been seted up to mounting groove two (112) bottom, steel sheet one (110) both sides are equipped with stretching plate two (150), stretching plate two (150) both sides are fixed according to at mounting groove three (114) inner wall.
3. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: c type groove (180) have been seted up to two (120) one sides of steel sheet, C type groove (180) inner wall fixed mounting has rivet one (121), two (120) bottoms of steel sheet are equipped with three (170) of tensile board, through-hole one (171) have evenly been seted up at three (170) tops of tensile board, two (120) of steel sheet are through rivet one (121) grafting through-hole one (171) fixed connection tensile board three (170).
4. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: a connecting part of the first batten (250) and the second batten (260) is provided with a fifth mounting groove (270), the control device (100) is inserted into the inner wall of the fifth mounting groove (270), and one end of the U-shaped steel bar (160) is fixedly connected with the inner side of the steel frame (230).
5. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: steelframe (230) both sides fixed mounting has template one (210), template one (210) both sides fixed mounting has template two (220), and is two sets of steel reinforcement one (231) are evenly installed to steelframe (230) inboard, reinforcement two (232) are evenly installed to reinforcement one (231) bottom, steelframe (230) and reinforcement one (231) inner wall are provided with mounting groove four (233), mounting groove four (233) inner wall fixed mounting has rubber waterstop (240).
6. The large integrated underground space structure shrinkage crack control device of claim 5, wherein: vertical supporting bars (212) are evenly installed on the outer wall of the first template (210), and transverse supporting bars (211) are evenly installed on the outer wall of the vertical supporting bars (212).
7. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: and a cushion block (262) is fixedly arranged at the joint of the first batten (250) and the second batten (260).
8. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: the inner side of the second batten (260) is provided with a first connecting buckle (280), the outer wall of the first connecting buckle (280) is fixedly provided with a third rivet (281), the first connecting buckle (280) is fixedly arranged on the inner side of the second batten (260) through the third rivet (281), the bottom of the first connecting buckle (280) is provided with a sixth mounting groove (282), and the second reinforcing steel bar (232) is inserted into the inner wall of the sixth mounting groove (282).
9. The large integrated underground space structure shrinkage crack control device of claim 1, wherein: two (260) inboards of stuff are equipped with connector link two (283), connector link two (283) are detained (284) and end knot (285) including the top, connector link two (283) tops are equipped with rivet three (286), top knot (284) and end knot (285) are installed at two (232) outer walls of reinforcing bar and are passed through rivet three (286) fixed mounting inboard in stuff two (260).
10. The large integral underground space structure shrinkage crack control method includes the following operation steps:
the method comprises the following steps: the inner wall of the steel frame (230) is bound with a first steel bar (231) through a binding bar, the rubber water stop (240) is inserted into the inner wall of the mounting groove IV (233) and is butted with the rubber water stop (240) through hot vulcanization, and the inner wall of the steel frame (230) is bound with a second steel bar (232) through the binding bar;
step two: installing a first batten (250) on two sides of the inner wall of the installing groove five (270), installing a second batten (260) on the inner wall of the first batten (250) and fixing the first batten through a second rivet (253), installing a control device (100) on the outer wall of the second batten (260), wrapping a pouring member (200) and the control device (100) through a transverse supporting strip (211) and a template II (220), and pouring and vibrating concrete (290) in a layered mode;
step three: and (3) removing the first template (210) and the second template (220), starting covering and curing after initial setting, and starting watering and covering a sheet after final setting to ensure the wettability of the concrete (290).
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Address after: Room 601, Floor 6, Building 3, Yard 4, Xinqiao Middle Road, Airport Economic Core District, Shunyi District, Beijing 101300 Patentee after: THE CIVIL CONSTRUCTION COMPANY OF CCCC FOURTH Co.,Ltd. Patentee after: CCCC Construction Group Co.,Ltd. Address before: 201, 2 / F, building 17, yard 1, Wuliqiao 1st Street, Chaoyang District, Beijing 100016 Patentee before: THE CIVIL CONSTRUCTION COMPANY OF CCCC FOURTH Co.,Ltd. Patentee before: CCCC FOURTH HIGHWAY ENGINEERING Co.,Ltd. |