CN114658126A - Construction method of wall and damper connecting structure - Google Patents
Construction method of wall and damper connecting structure Download PDFInfo
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- CN114658126A CN114658126A CN202210387305.7A CN202210387305A CN114658126A CN 114658126 A CN114658126 A CN 114658126A CN 202210387305 A CN202210387305 A CN 202210387305A CN 114658126 A CN114658126 A CN 114658126A
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- reinforcement cage
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- 238000010276 construction Methods 0.000 title claims abstract description 55
- 230000002787 reinforcement Effects 0.000 claims abstract description 125
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 241000935974 Paralichthys dentatus Species 0.000 claims description 16
- 238000009415 formwork Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 210000000078 claw Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000242541 Trematoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to the technical field of shock absorption construction, in particular to a construction method of a wall and damper connecting structure, which comprises the following steps: step 1, prefabricating an upper embedded part, a lower embedded part, an upper cantilever wall reinforcement cage and a lower cantilever wall reinforcement cage; step 2, installing an upper embedded part on the upper cantilever wall reinforcement cage, and installing a lower embedded part on the lower cantilever wall reinforcement cage; step 3, building a first support frame, installing a lower cantilever wall reinforcement cage, and adjusting and fixing the lower cantilever wall reinforcement cage through the first support frame; step 4, constructing an upper floor; step 5, mounting the upper cantilever wall template; step 6, installing upper cantilever wall reinforcing steel bars, and then installing the rest upper cantilever wall templates; step 7, concrete pouring of the upper cantilever wall; and 8, mounting a damper on the lower embedded part, and fixing the damper and the upper embedded part. The construction method of the wall and damper connecting structure saves construction time, improves the mounting precision of the damper, and avoids the occurrence of deviation after the damper is mounted.
Description
Technical Field
The invention relates to the technical field of shock absorption construction, in particular to a construction method of a wall and damper connecting structure.
Background
The prior energy dissipation and shock absorption technology is widely applied to super high-rise and areas with higher earthquake-resistant requirements. The energy dissipation and shock absorption technology is characterized in that a damper is arranged at a specific part of a structure, and the damper is used for dissipating or absorbing a large amount of energy input into the structure by earthquake, so that earthquake reaction and damage of a main body structure are effectively reduced. However, when the damper is arranged in the wall structure, compared with the traditional structure, the construction process is more, the time is long, the construction precision requirement is high, and the factors such as concrete vibration and embedded part installation in a construction site are considered, so that the damper is easy to deviate after being installed.
Disclosure of Invention
The invention aims to provide a construction method of a wall and damper connecting structure, which saves construction time, improves the mounting precision of a damper and avoids the occurrence of deviation after the damper is mounted.
In order to realize the purpose, the following technical scheme is provided:
a construction method of a wall and damper connecting structure is arranged between an upper floor slab and a lower floor slab, and is characterized by comprising the following steps:
step 1, prefabricating an upper embedded part, a lower embedded part, an upper cantilever wall reinforcement cage and a lower cantilever wall reinforcement cage;
and 8, installing a damper on the lower embedded part, wherein the upper surface of the damper is fixed with the upper embedded part.
Furthermore, the upper embedded part and the lower embedded part in the step 1 both comprise an embedded plate and a plurality of anchor claw bars, the plurality of anchor claw bars are arranged on the embedded plate at intervals, during construction, a gap is formed between the anchor claw bars of the upper embedded part and the reinforcing bars of the upper cantilever wall reinforcement cage, and a gap is formed between the anchor claw bars of the lower embedded part and the reinforcing bars of the lower cantilever wall reinforcement cage.
Furthermore, in the step 3, a first support frame is erected on the lower floor slab and the lower cantilever wall reinforcement cage is installed, and the concrete steps of adjusting and fixing the lower cantilever wall reinforcement cage through the first support frame are as follows:
step 3.1, building the first support frame on the steel bars of the lower floor slab;
step 3.2, hoisting the lower cantilever wall reinforcement cage to the upper part of the lower floor slab;
3.3, adjusting and fixing the lower cantilever wall reinforcement cage through the first support frame;
step 3.4, binding the lower cantilever wall reinforcement cage with the reinforcement in the lower floor slab;
and 3.5, pouring and forming the concrete of the lower floor slab.
Further, the method also comprises the step 9:
and a lower cantilever wall template is arranged on the lower floor slab, and concrete is poured in the lower cantilever wall template to construct and form a lower cantilever wall.
Further, in step 3, first support frame is including being located respectively two supports of cantilever wall both sides down and connecting in two bracing piece between the support, the support mounting in on the floor of lower floor, the bracing piece passes the below of cantilever wall steel reinforcement cage's top reinforcing bar down, is used for adjusting cantilever wall steel reinforcement cage's position down.
And further reserving a beam bottom reserved hole on the upper floor slab in the step 4.
Further, the following steps are also included between step 4 and step 5:
m.1, respectively arranging positioning lines on the upper floor slab and the lower floor slab;
and M.2, erecting a second support frame for positioning the upper cantilever wall formwork on the lower floor slab.
Further, a formwork reinforcing structure is arranged on the outer surface of the upper cantilever wall formwork in the step 5.
Further, step 8 is preceded by step L:
and polishing the upper embedded part.
And furthermore, a supporting piece is arranged between the lower embedded part and the lower cantilever wall reinforcement cage in the step 8.
The invention has the beneficial effects that:
according to the construction method of the wall body and damper connecting structure, the upper cantilever wall steel reinforcement cage and the lower cantilever wall steel reinforcement cage are prefabricated, and the steel reinforcement cages do not need to be bound on site, so that the construction time is saved; the upper embedded part and the lower embedded part are respectively arranged on the upper cantilever wall reinforcement cage and the lower cantilever wall reinforcement cage, so that the damper is ensured to be fixed firmly with the upper cantilever wall and the lower cantilever wall in the following process; the first support frame is erected on the lower floor slab, so that the position of the lower cantilever wall steel reinforcement cage on the lower floor slab can be conveniently adjusted, and the lower cantilever wall steel reinforcement cage can be fixed, and further, the later-stage damper installation accuracy is prevented from being influenced by the deviation of the lower cantilever wall steel reinforcement cage and a lower embedded part on the lower cantilever wall steel reinforcement cage in the concrete construction process of the lower floor slab; the upper cantilever wall formwork is installed firstly, and the rest upper cantilever wall formwork is installed after the upper cantilever wall reinforcement cage is installed in a regulated mode, so that the position of the upper cantilever wall reinforcement cage is regulated in the construction process, and the installation accuracy between the follow-up damper and the upper embedded part is improved. The construction method of the wall body and damper connecting structure has the advantages that the construction time and the construction precision are both considered, the installation precision of the damper between the upper cantilever wall and the lower cantilever wall is improved, and the deviation after the damper is installed is avoided as much as possible.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wall and damper connection structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embedded plate and anchor claw bars provided in the embodiment of the present invention;
fig. 3 is a first schematic structural diagram of an upper embedded part installed on a reinforcement cage of an upper cantilever wall according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embedded plate and anchor claw bars provided in the embodiment of the present invention;
fig. 5 is a second schematic structural view of an upper embedded part installed on a reinforcement cage of an upper cantilever wall according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a reinforcement cage for a lower cantilever wall according to an embodiment of the present invention;
fig. 7 is a first schematic structural diagram of a first support frame during construction according to an embodiment of the present invention;
fig. 8 is a second schematic structural diagram of the first support frame during construction according to the embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a second support frame according to an embodiment of the present invention;
fig. 10 is a schematic structural view of an upper cantilever wall in construction according to an embodiment of the present invention.
In the figure:
100-upper floor; 200-lower floor slab; 201-a fixing member; 300-stretching the ribs;
11-upper embedded parts; 12-lower embedded part; 101-pre-embedded plates; 102-anchor claw bars;
2-upper cantilever wall reinforcement cage; 21-first wall longitudinal bars; 22-a first wall stirrup; 23-first hidden column longitudinal ribs; 24-a first dark column stirrup;
3-lower cantilever wall reinforcement cage; 31-second wall longitudinal bars; 32-a second wall stirrup; 33-second hidden column longitudinal ribs; 34-a second hidden column stirrup; 35-top steel bars;
4-a first support frame; 41-a bracket; 411-upright stanchion; 412-a connecting rod; 42-a support bar;
5-upper cantilever wall; 51-upper cantilever wall form; 511-form reinforcement;
6-a damper; 61-a support;
7-lower cantilever wall; 71-lower cantilever wall formwork;
8-reserving holes at the beam bottom;
9-second support.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only or to distinguish different structures or components, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, an embodiment of the present invention provides a construction method of a wall and damper connection structure, where the wall and damper connection structure is disposed between an upper floor 100 and a lower floor 200, and the construction method of the wall and damper connection structure includes the following steps:
step 1, prefabricating an upper embedded part 11, a lower embedded part 12, an upper cantilever wall reinforcement cage 2 and a lower cantilever wall reinforcement cage 3.
And 2, installing an upper embedded part 11 on the upper cantilever wall reinforcement cage 2, and installing a lower embedded part 12 on the lower cantilever wall reinforcement cage 3.
And 3, erecting a first support frame 4 on the lower floor slab 200, installing a lower cantilever wall reinforcement cage 3, and adjusting and fixing the lower cantilever wall reinforcement cage 3 through the first support frame 4.
And 4, constructing the upper floor 100.
And 5, installing the upper cantilever wall template 51 on the upper floor 100.
And 6, installing the upper cantilever wall reinforcing steel bars 2 in the upper cantilever wall template 51, and installing the other upper cantilever wall templates 51 on the upper floor 100.
And 7, pouring concrete into the upper cantilever wall template 51 to construct and form the upper cantilever wall 5.
And 8, mounting the damper 6 on the lower embedded part 12, and fixing the upper surface of the damper 6 with the upper embedded part 11.
According to the construction method of the wall body and damper connecting structure, the upper cantilever wall reinforcement cage 2 and the lower cantilever wall reinforcement cage 3 are prefabricated, and are processed and installed in a prefabricated mode, so that the mass production is realized, the on-site reinforcement bar binding operation amount is greatly reduced, the labor is saved, the subsequent integral installation of the upper cantilever wall reinforcement cage 2 and the lower cantilever wall reinforcement cage 3 is facilitated, the construction is convenient and rapid, and the construction time is saved; the upper embedded part 11 and the lower embedded part 12 are respectively arranged on the upper cantilever wall reinforcement cage 2 and the lower cantilever wall reinforcement cage 3, so that the damper 6 is firmly fixed with the upper cantilever wall 5 and the lower cantilever wall 7 in the following process; the first support frame 4 is erected on the lower floor slab 200, so that the position of the lower cantilever wall steel reinforcement cage 3 on the lower floor slab 200 can be conveniently adjusted, the lower cantilever wall steel reinforcement cage 3 can be fixed, and the later-stage installation accuracy of the damper 6 is prevented from being influenced due to deviation of the lower cantilever wall steel reinforcement cage 3 and the lower embedded part 12 on the lower cantilever wall steel reinforcement cage in the concrete construction process of the lower floor slab 200; through installing upper cantilever wall template 51 earlier, wait to adjust and install all the other upper cantilever wall templates 51 of installing after having installed upper cantilever wall steel reinforcement cage 2 to adjust the position of upper cantilever wall steel reinforcement cage 2 in the work progress, promote the installation accuracy between follow-up attenuator 6 and the last built-in fitting 11. The construction method of the wall and damper connecting structure has the advantages that the construction time and the construction precision are both considered, the process flow is clear, the interpenetration operation of various workers is convenient, the construction period is prevented from being influenced by disorder, the installation precision of the damper 6 between the upper cantilever wall 5 and the lower cantilever wall 7 is improved, and the deviation after the damper 6 is installed is avoided as much as possible.
Optionally, referring to fig. 2 to 5, each of the upper embedded part 11 and the lower embedded part 12 in step 1 includes an embedded plate 101 and a plurality of fluke bars 102, and the plurality of fluke bars 102 are arranged on the embedded plate 101 at intervals. During construction, a gap is formed between the fluke rib 102 of the upper embedded part 11 and the steel bar of the upper cantilever wall steel bar cage 2, and the embedded plate 101 of the upper embedded part 11 is positioned on the outer side of the upper cantilever wall steel bar cage 2 and is fixedly connected with the damper 6; gaps are reserved between fluke ribs 102 of the lower embedded part 12 and steel bars of the lower cantilever wall steel bar cage 3, and an embedded plate 101 of the lower embedded part 12 is located on the outer side of the lower cantilever wall steel bar cage 3 and used for fixedly mounting the damper 6. The above arrangement allows the flukes 102 to be mounted without colliding with the reinforcement on the upper and lower cantilevered wall reinforcement cages 2 and 3.
Optionally, the fluke 102 is welded to the embedded plate 101, so that construction is facilitated, and the fluke 102 and the embedded plate 101 are firmly connected.
Optionally, referring to fig. 5, the upper cantilever wall reinforcement cage 2 in this embodiment includes a plurality of first wall longitudinal reinforcements 21, a plurality of first wall stirrups 22, a plurality of first hidden-column longitudinal reinforcements 23, and a plurality of first hidden-column stirrups 24, where the first wall longitudinal reinforcements 21 and the first hidden-column longitudinal reinforcements 23 extend along a height direction of the upper cantilever wall 5, the plurality of first wall longitudinal reinforcements 21 and the plurality of first hidden-column longitudinal reinforcements 23 are arranged at intervals along a horizontal direction of the upper cantilever wall 5, the plurality of first hidden-column longitudinal reinforcements 23 are located at two sides of the plurality of first wall longitudinal reinforcements 21 along the horizontal direction of the upper cantilever wall 5, the first wall stirrups 22 are perpendicular to the first wall longitudinal reinforcements 21, and the plurality of first wall stirrups 22 are arranged at intervals along the height direction of the upper cantilever wall 5 and hoops the plurality of first wall longitudinal reinforcements 21; the plurality of first hidden post longitudinal ribs 23 and the plurality of first hidden post hooping 24 are connected with the first wall body longitudinal ribs 21 and the first wall body hooping 22 in a binding mode, the first hidden post hooping 24 is perpendicular to the first hidden post longitudinal ribs 23, the plurality of first hidden post hooping 24 are arranged along the height direction of the upper cantilever wall 5 at intervals, and the plurality of first hidden post longitudinal ribs 23 are hooped. In this embodiment, the spacing distances between the plurality of fluke ribs 102 on the embedded plate 101 of the upper embedded part 11 can be adjusted according to the distribution of the steel bars on the upper cantilever wall steel reinforcement cage 2, so that the fluke ribs 102 do not collide with the steel bars on the upper cantilever wall steel reinforcement cage 2 during installation, and especially the fluke ribs 102 do not collide with the first wall longitudinal ribs 21.
Optionally, referring to fig. 6, the lower cantilever wall reinforcement cage 3 in this embodiment includes a plurality of second wall longitudinal ribs 31, a plurality of second wall stirrups 32, a plurality of second hidden column longitudinal ribs 33, and a plurality of second hidden column stirrups 34, where the second wall longitudinal ribs 31 and the second hidden column longitudinal ribs 33 extend along the height direction of the lower cantilever wall 7, respectively, the plurality of second wall longitudinal ribs 31 and the plurality of second hidden column longitudinal ribs 33 are arranged at intervals along the horizontal direction of the lower cantilever wall 7, and along the horizontal direction of the lower cantilever wall 7, the plurality of second hidden column longitudinal ribs 33 are located at two sides of the plurality of second wall longitudinal ribs 31, the second wall stirrups 32 are perpendicular to the second wall longitudinal ribs 31, and the plurality of second wall stirrups 32 are arranged at intervals along the height direction of the lower cantilever wall 7 and clamp the plurality of second wall longitudinal ribs 31; the plurality of second hidden post longitudinal ribs 33 and the plurality of second hidden post hooping 34 are connected with the second wall longitudinal ribs 31 and the second wall hooping 32 in a binding mode, the second hidden post hooping 34 is perpendicular to the second hidden post longitudinal ribs 33, the plurality of second hidden post hooping 34 are arranged along the height direction of the lower cantilever wall 7 at intervals, and the plurality of second hidden post longitudinal ribs 33 are hooped tightly. In this embodiment, the spacing distance between the plurality of fluke ribs 102 on the embedded plate 101 of the lower embedded part 12 can be adjusted according to the distribution of the steel bars on the lower cantilever wall steel reinforcement cage 3, so as to ensure that the fluke ribs 102 do not collide with the steel bars on the lower cantilever wall steel reinforcement cage 3 during installation, and especially that the fluke ribs 102 do not collide with the second wall longitudinal ribs 31.
Optionally, referring to fig. 3, in this embodiment, after the first wall longitudinal reinforcements 21 and the first wall stirrups 22 of the upper cantilever reinforcement cage 2 are bound and the upper embedded part 11 is placed, the tie bars 300 are bound, and the above installation steps are also applicable to the lower cantilever reinforcement cage 3 and the lower embedded part 12. In the construction method of the wall body and damper connection structure in the embodiment, on one hand, the upper embedded part 11 and the lower embedded part 12 are typeset and designed and optimized in advance, and on the other hand, the installation procedures between the upper cantilever reinforcement cage 2 and the upper embedded part 11 and between the lower cantilever reinforcement cage 3 and the lower embedded part 12 are adjusted, so that the upper embedded part 11 and the lower embedded part 12 are ensured to be installed on the upper cantilever reinforcement cage 2 and the lower cantilever reinforcement cage 3 respectively and not affected, and the construction specification requirement is met.
Optionally, in step 3, the first support frame 4 is erected on the lower floor slab 200 and the lower cantilever wall reinforcement cage 3 is installed, and the specific steps of adjusting and fixing the lower cantilever wall reinforcement cage 3 through the first support frame 4 are as follows:
step 3.1, see fig. 7, set up the first support 4 on the reinforcing bar of the lower floor 200.
And 3.2, hoisting the lower cantilever wall reinforcement cage 3 to the upper part of the lower floor slab 200, drawing a positioning line of the lower cantilever wall 7 on a template of the lower floor slab 200 before hoisting the lower cantilever reinforcement cage 3, ensuring that the lower cantilever reinforcement cage 3 is accurately installed on the reinforcement of the lower floor slab 200 subsequently, and ensuring that the position of the lower cantilever wall 7 after pouring construction is accurate.
And 3.3, adjusting and fixing the lower cantilever wall steel reinforcement cage 3 through the first support frame 4, and avoiding the influence on the later-stage damper installation precision caused by the deviation of the lower cantilever wall steel reinforcement cage 3 and the lower embedded part 12 on the lower cantilever wall steel reinforcement cage in the concrete construction process of the lower floor slab 200.
And 3.4, binding the lower cantilever wall reinforcement cage 3 with the reinforcement in the lower floor slab 200.
And 3.5, pouring and forming concrete of the lower floor slab 200, wherein the lower cantilever reinforcement cage 3 cannot deviate due to vibration of the concrete in the construction site under the fixing action of the first support frame 4.
Alternatively, referring to fig. 7 and 8, the first support bracket 4 in step 3 includes two brackets 41 respectively located at both sides of the lower cantilever wall 7 and a support bar 42 connected between the two brackets 41, and the brackets 41 are installed on the lower floor 200. The support rod 42 penetrates through the lower part of the top steel bar 35 of the lower cantilever wall steel reinforcement cage 3, the position of the lower cantilever wall steel reinforcement cage 3 is adjusted through the support rod 42 according to the positioning line of the lower cantilever wall 7 drawn on the template of the lower floor slab 200, and then the step 3.4 of binding the lower cantilever wall steel reinforcement cage 3 with the steel bars in the lower floor slab 200 is carried out; and (4) after the step (3.4) is finished, adjusting and reinforcing the lower cantilever reinforcement cage (3) again, and avoiding the subsequent deviation of the lower cantilever reinforcement cage (3) caused by concrete vibration.
Alternatively, referring to fig. 7 and 8, the bracket 41 includes four uprights 411 and two connecting rods 412, two uprights 411 are respectively disposed on two sides of the lower cantilever wall 7, the bottoms of the uprights 411 are connected to fixing members 201 pre-embedded on the lower floor 200, and the fixing members 201 may be waste steel bars at a construction site to prevent the uprights 411 from being inserted into the lower floor 200. Two upright posts 411 positioned on the same side of the lower cantilever wall 7 are fixedly connected through a connecting rod 412, two support rods 42 are arranged, the two support rods 42 are arranged at intervals along the length direction of the connecting rod 412, and two ends of each support rod 42 are respectively connected with the two connecting rods 412 and the two upright posts 411. The stable and dismantled and assembled first support frame 4 is built to the aforesaid through pole setting 411, connecting rod 412 and bracing piece 42, is convenient for fast at the job site dismouting, and pole setting 411, connecting rod 412 and bracing piece 42 can select the steel pipe, use the fastener to connect each other.
Alternatively, the upper floor 100 in step 4 is constructed after the lower floor 200 of step 3.5 is concreted.
Optionally, referring to fig. 9, a reserved beam bottom hole 8 is reserved in the upper floor 100 in step 4, so that the hoisting and installation of the reinforcement cage 2 on the cantilever wall are facilitated in the later period.
Optionally, the following steps are further included between step 4 and step 5:
and M.1, respectively arranging positioning lines of the upper cantilever wall 5 on the upper floor slab 100 and the lower floor slab 200, and ensuring that the upper cantilever reinforcement cage 2 is accurately installed subsequently and the position of the upper cantilever wall 5 after pouring construction is finished is accurate.
And M.2, referring to fig. 9, erecting a second support frame 9 for positioning the upper cantilever wall template 51 on the lower floor slab 200 to ensure that the bottom elevation of the upper cantilever wall 5 meets the requirement.
Optionally, referring to fig. 10, a formwork reinforcing structure 511 is provided on the outer surface of the upper cantilever wall formwork 51 in step 5 to reinforce the upper cantilever wall 5. And after the upper cantilever wall reinforcement cage 2 is placed in the upper cantilever wall formwork 51, the upper cantilever wall 5 is reinforced, and after the reinforcement is finished, whether the upper cantilever wall 5 is vertically flat or not and whether the positioning has deviation or not need to be checked.
Optionally, step 8 is preceded by step L:
and polishing the upper embedded part 11 to ensure that the surface of the embedded plate 101 of the upper embedded part 11 is smooth and flat, so that the damper 6 can be installed subsequently.
Optionally, a support 61 is arranged between the lower embedded part 12 and the lower cantilever wall reinforcement cage 3 in step 8, the support 61 may be a batten or a reinforcement, when the damper 6 is installed between the lower embedded part 12 and the upper embedded part 11, the support 61 is placed in an adjustment gap between the lower embedded part 12 and the lower cantilever reinforcement cage 3 to adjust the axis, the elevation and the levelness of the lower embedded part 12, and at the same time, the upper surface of the damper 6 is ensured to be in close contact with the upper embedded part 11.
Optionally, the upper surface of the damper 6 is welded to the embedded plate 101 of the upper embedded part 11, and the lower surface of the damper 6 is welded to the embedded plate 101 of the lower embedded part 12.
Optionally, the method further comprises step 9:
referring to fig. 1, a lower cantilever wall formwork 71 is arranged on a lower floor slab 200, concrete is poured into the lower cantilever wall formwork 71 to construct and form a lower cantilever wall 7, and a vibrating rod is prevented from touching a lower embedded part 12 in the pouring process.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A construction method of a wall and damper connection structure, which is arranged between an upper floor (100) and a lower floor (200), is characterized by comprising the following steps:
step 1, prefabricating an upper embedded part (11), a lower embedded part (12), an upper cantilever wall reinforcement cage (2) and a lower cantilever wall reinforcement cage (3);
step 2, installing the upper embedded part (11) on the upper cantilever wall reinforcement cage (2), and installing the lower embedded part (12) on the lower cantilever wall reinforcement cage (3);
step 3, erecting a first support frame (4) on the lower floor slab (200), installing the lower cantilever wall reinforcement cage (3), and adjusting and fixing the lower cantilever wall reinforcement cage (3) through the first support frame (4);
step 4, constructing the upper floor (100);
step 5, installing an upper cantilever wall template (51) on the upper floor (100);
step 6, installing the upper cantilever wall reinforcement cage (2) in the upper cantilever wall formwork (51), and then installing the rest upper cantilever wall formworks (51) on the upper floor (100);
7, pouring concrete into the upper cantilever wall template (51) to construct and form an upper cantilever wall (5);
and 8, installing a damper (6) on the lower embedded part (12), wherein the upper surface of the damper (6) is fixed with the upper embedded part (11).
2. The construction method of the wall and damper connecting structure according to claim 1, wherein the upper embedded part (11) and the lower embedded part (12) in step 1 each include an embedded plate (101) and a plurality of fluke bars (102), the plurality of fluke bars (102) are arranged on the embedded plate (101) at intervals, during construction, a gap is formed between the fluke bars (102) of the upper embedded part (11) and the reinforcing steel bars of the upper cantilever wall reinforcement cage (2), and a gap is formed between the fluke bars (102) of the lower embedded part (12) and the reinforcing steel bars of the lower cantilever wall reinforcement cage (3).
3. The construction method of the wall and damper connecting structure according to claim 1, wherein the step 3 of erecting a first support frame (4) on the lower floor (200) and installing the lower cantilever wall reinforcement cage (3), and the specific steps of adjusting and fixing the lower cantilever wall reinforcement cage (3) through the first support frame (4) are as follows:
step 3.1, erecting the first support frame (4) on the steel bars of the lower floor slab (200);
step 3.2, hoisting the lower cantilever wall reinforcement cage (3) to the upper part of the lower floor slab (200);
3.3, adjusting and fixing the lower cantilever wall reinforcement cage (3) through the first support frame (4);
step 3.4, binding the lower cantilever wall reinforcement cage (3) with the reinforcement in the lower floor slab (200);
and 3.5, pouring and forming concrete of the lower floor slab (200).
4. The construction method of a wall and damper connecting structure according to claim 1, further comprising the step 9 of:
and a lower cantilever wall template (71) is arranged on the lower floor slab (200), and concrete is poured into the lower cantilever wall template (71) to construct and form a lower cantilever wall (7).
5. The construction method of a wall and damper connecting structure according to claim 1, wherein the first supporting frame (4) in step 3 comprises two brackets (41) respectively located at both sides of the lower cantilever wall (7) and a supporting rod (42) connected between the two brackets (41), the brackets (41) are mounted on the lower floor (200), and the supporting rod (42) passes through the lower portion of the top steel bar (35) of the lower cantilever wall steel bar cage (3) for adjusting the position of the lower cantilever wall steel bar cage (3).
6. The construction method of a wall and damper connecting structure according to claim 1, wherein a beam bottom reserved hole (8) is reserved on the upper floor (100) in step 4.
7. The construction method of a wall and damper connecting structure according to claim 1, further comprising the steps between step 4 and step 5 of:
m.1, respectively arranging positioning lines on the upper floor (100) and the lower floor (200);
and M.2, erecting a second support frame (9) for positioning the upper cantilever wall formwork (51) on the lower floor slab (200).
8. The construction method of a wall and damper connecting structure according to claim 1, wherein the form reinforcing structure (511) is provided on the outer surface of the upper cantilever wall form (51) in step 5.
9. The construction method of a wall and damper connecting structure according to claim 1, further comprising a step L before step 8:
and polishing the upper embedded part (11).
10. The construction method of the wall and damper connecting structure according to claim 1, wherein a support member (61) is provided between the lower embedded part (12) and the lower cantilever wall reinforcement cage (3) in step 8.
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