CN114876085A - Assembled anti-seismic structure of composite floor slab and prefabricated wall and construction method thereof - Google Patents

Assembled anti-seismic structure of composite floor slab and prefabricated wall and construction method thereof Download PDF

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Publication number
CN114876085A
CN114876085A CN202210716650.0A CN202210716650A CN114876085A CN 114876085 A CN114876085 A CN 114876085A CN 202210716650 A CN202210716650 A CN 202210716650A CN 114876085 A CN114876085 A CN 114876085A
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wall body
floor slab
composite floor
floor
coincide
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CN114876085B (en
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黄金坤
路希鑫
钱元弟
张首锋
单冬
程攀
程安春
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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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
    • 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
    • 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
    • E04B1/388—Separate connecting elements
    • 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
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E04G21/1841—Means for positioning building parts or elements
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

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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)
  • Mechanical Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention relates to the technical field of fabricated earthquake-resistant buildings, in particular to a fabricated earthquake-resistant structure of a composite floor slab and a prefabricated wall body and a construction method thereof. The prefabricated building floor comprises a wall body and composite floor slabs which are matched with each other, wherein the composite floor slabs are mutually spliced to form a floor slab of the whole prefabricated building, a movable gap is formed between one end of the wall body and the composite floor slabs, a buffer sleeve is arranged in the movable gap, a connecting beam is arranged on the side face of the same side of the composite floor slab and the wall body, and a triangular structure is formed among the connecting beam, the composite floor slabs and the wall body. Aiming at the problems in the prior art, the invention provides an assembled anti-seismic structure of a composite floor slab and a prefabricated wall body and a construction method thereof, which can effectively solve the cracking problem between the wall body and the floor slab, improve the bonding strength between the wall body and the floor slab and further effectively improve the anti-seismic performance of the assembled wall body.

Description

Assembled anti-seismic structure of composite floor slab and prefabricated wall and construction method thereof
Technical Field
The invention relates to the technical field of fabricated earthquake-resistant buildings, in particular to a fabricated earthquake-resistant structure of a composite floor slab and a prefabricated wall body and a construction method thereof.
Background
With the promotion of the assembly type building in government-related policies, the assembly type building also promotes the market share year by year, and with the development of urban construction, the middle and high-rise building enriches urban space and saves land. The load of the medium and high buildings is increased along with the increase of the height, and especially the horizontal wind load and the earthquake action become important factors for controlling the high-rise building structure. In the prior art, aiming at improving the earthquake resistance grade of a common building, for example, a building with a frame structure, the earthquake resistance strength is mainly improved by improving the strength of a main frame, however, a non-bearing wall body with the frame structure is generally lined with aerated bricks.
Test data show that after an earthquake with higher strength is generated, if the construction standard of the main body framework structure meets the design standard, the problem of cracking or collapse can not occur generally, and the serious problem of collapse can occur easily at the position of a non-bearing wall body. The wall body and the wall body of the fabricated building and the combination positions of the wall body and the floor slab are mostly in rigid connection, and then the problem of cracking or collapsing occurs between the wall body and between the wall body and the floor slab. Therefore, this application designs a coincide floor and prefabricated wall's assembled antidetonation structure, can effectively solve the fracture problem that appears between wall body and the floor, improves the joint strength between wall body and the floor, and then effectively improves the anti-seismic performance of assembled wall body.
Through retrieval, the prior patents on the assembled earthquake-proof structure are disclosed, such as Chinese patent documents, with the application numbers: 2020113607978, the name of invention creation is: the utility model provides a good assembled building antidetonation structure of stability, an assembled building antidetonation structure that stability is good is disclosed, including first wall body and second wall body, second wall body fixed connection is in the left end of first wall body, the inside of first wall body and second wall body all inlays the reinforced concrete constructional column that is equipped with quantity for a plurality of, the cavity has been seted up to the inside of first wall body, the inside fixed mounting of cavity has the install bin, the inner chamber bottom fixed mounting of install bin has the support column that quantity is four, the equal fixed mounting in top of four support columns has the rubber pad, the top fixed connection of four rubber pads is on the inner chamber top of install bin, the equal fixed mounting in outside of four support columns has the locking Assembly that quantity is two, relative one side of four locking Assembly of homonymy respectively with two down tube looks fixed connection. This assembled building antidetonation structure that stability is good possesses antidetonation and good and the assembled building junction stability of shock resistance can be good advantage.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the problems in the prior art, the invention provides an assembled earthquake-resistant structure of a composite floor slab and a prefabricated wall body and a construction method thereof, which can effectively solve the problem of cracking between the wall body and the floor slab, improve the bonding strength between the wall body and the floor slab and further effectively improve the earthquake-resistant performance of the assembled wall body.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The invention discloses an assembled anti-seismic structure of a composite floor slab and a prefabricated wall body, which comprises the wall body and the composite floor slab which are matched, wherein the plurality of composite floor slabs are mutually spliced to form a floor slab of the whole assembled building, a movable gap is arranged between one end of the wall body and the composite floor slab, a buffer sleeve is arranged in the movable gap, a connecting beam is arranged on the side surface of the same side of the composite floor slab and the wall body, and a triangular structure is formed among the connecting beam, the composite floor slab and the wall body.
Preferably, the combined position of coincide floor and wall body is provided with joint strip and caulking groove respectively, joint strip and caulking groove constitute the joint cooperation, equidistant interval is provided with the grafting screw rod on the joint strip, the grafting screw rod constitutes the grafting cooperation with the spliced eye in the caulking groove, the cushion collar cover is established on the grafting screw rod, and the cushion collar stretches into in the spliced eye.
Preferably, the second recess that extends along coincide floor width direction is seted up to the side of two adjacent coincide floors, be provided with the connecting plate of vertical extension in the second recess, it is provided with the connection slide bar to slide on the connecting plate, just to connect the slide bar and extend along the length direction of second recess, wherein the one end that is close to the wall body on the connection slide bar of the coincide floor side that combines together with the wall body is provided with the connection loop bar, be provided with the shock attenuation cover on the connection loop bar.
Preferably, the two ends of the connecting slide bar extending out of the connecting plate are provided with separation blades, the connecting slide bar is sleeved with an impact spring, and the two ends of the impact spring are respectively abutted against the separation blades on the two sides to be connected.
Preferably, the wall body is close to the side of tie-beam and has seted up first recess, be provided with first erection pile platform in the first recess, the cover is equipped with the shock attenuation cover on the first erection pile platform, the both ends of first tie-beam are provided with the installation sleeve pipe, the shock attenuation cover periphery is located to the installation sleeve pipe cover, and the shock attenuation cover on installation sleeve and the first erection pile platform and the adapter sleeve pole constitutes the cooperation of pegging graft.
Preferably, mutual gomphosis is whole platelike structure between the coincide floor, and the faying face of adjacent coincide floor is provided with overlap joint limit and joint limit respectively, parallel interval runs through on the length of joint side direction and is provided with two sets of joint grooves, the overlap joint edge is provided with two sets of joint archs with joint groove matched with, and the edge of adjacent coincide floor still is provided with the cylinder rubber strip.
Preferably, the fitting surface of wall body and coincide floor is provided with the reservation spread groove, reservation spread groove and caulking groove parallel arrangement, the cell wall edge of reservation spread groove has seted up the filling groove, be provided with the filling tube in the filling groove, just a side of wall body is stretched out to filling tube one end.
The invention discloses a construction method of an assembled anti-seismic structure of a composite floor slab and a prefabricated wall, which comprises the following steps:
a, prefabricating and designing a composite floor slab and a wall body which accord with the size according to the design requirement of an earthquake-resistant building, and placing the composite floor slab and the wall body on a corresponding construction lifting frame after transferring the composite floor slab and the wall body to a construction position;
and B: positioning the earthquake-resistant building through equipment, placing a standard axis, a control axis, a height line for installing a floor slab and a height line for a stair, verifying and adjusting the position of a reserved dowel bar by adopting a positioning control steel plate, and hoisting the wall through hoisting equipment;
and C: fixing and correcting the wall body by erecting an adjustable steel pipe inclined support;
step D: grouting the wall, binding the edge member of the wall with steel bars and installing a template;
step E: the composite floor slab and the wall body are installed through hoisting equipment, and then the composite floor slab and the wall body are installed into a whole through a connecting beam;
step F: and (4) binding the cast-in-place layer steel bars at the corner position of the wall body of the earthquake-resistant building, and pouring concrete.
Preferably, in the step B, the standard axis control piles are arranged at four corners of the house, at least one control axis is defined in the longitudinal and transverse axis directions by using a theodolite or a total station, the control axis on the floor is directly led out upwards from the bottom axis, the longitudinal and transverse axes of the building are sequentially discharged according to the control axis and the control horizontal line, and then the position control lines of the intersection nodes of the wall body, the door opening and the structural member, the elevation line of the laminated floor slab and the elevation line of the staircase are discharged according to the obtained axes.
Preferably, in the step a, when the wall body is hoisted, the reserved joint bars correspond to the jacks on the wall body one by one, a gap which is not less than 20mm is reserved between the contact surface of the wall body and the composite floor slab after the wall body is placed in place, and the elevation of the wall body is controlled and adjusted by adopting the sizing block.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the fabricated seismic structure of the composite floor slab and the prefabricated wall body, the buffer sleeve is arranged in the movable gap between the wall body and the composite floor slab, the buffer sleeve can effectively absorb impact force generated by transverse swing of the wall body, so that the wall body can swing with certain strength based on a horizontal plane, the effect of absorbing energy is effectively achieved, the purpose of stopping seismic is further achieved, the wall body can be effectively prevented from toppling, meanwhile, reliable connection between the composite floor slab and the wall body is effectively achieved, and the overall seismic strength of the fabricated building is effectively improved.
(2) According to the assembled anti-seismic structure of the laminated floor slab and the prefabricated wall body, the clamping strips are matched and embedded with the embedding grooves, the laminated floor slab can be effectively and tightly connected with the lower end of the wall body, the inserting screw rods and the buffer sleeves stretch into the inserting holes, when the wall body generates transverse acting force and swings transversely, the buffer sleeves positioned in the wall body can move with a certain margin, and therefore the problem that the wall body is cracked or toppled due to concentrated stress can be effectively avoided.
(3) According to the assembled anti-seismic structure of the laminated floor slabs and the prefabricated wall, one end of each adjacent laminated floor slab forms the movable connecting assembly through the connecting sliding rod and the impact spring, when the wall body bears transverse swing, the connecting sliding rods are pulled by the swing force of the connecting beams, so that the adjacent laminated floor slabs are tensioned and combined more reliably, and the adjacent laminated floor slabs are connected reliably.
(4) According to the fabricated anti-seismic structure of the composite floor slab and the prefabricated wall body, in order to implement reliable secondary connection between the wall body and the composite floor slab so as to realize sealed connection between the wall body and the composite floor slab, the water seepage problem is avoided, after the wall body is hoisted on the composite floor slab by hoisting equipment, cement is filled into the filling pipe, and the cement slurry is led into the reserved connecting groove, so that reliable sealed connection between the wall body and the composite floor slab is realized.
Drawings
Fig. 1 and 2 are schematic views of two kinds of perspective structures of the composite floor slab in the invention;
FIG. 3 is a schematic cross-sectional view of a composite floor slab according to the present invention;
FIG. 4 is a left side view of the composite floor slab and wall combination of the present invention;
FIG. 5 is a schematic perspective view of the combination of the wall and the composite floor slab of the present invention;
fig. 6 is a schematic perspective view of the combination of the wall body and the wall body according to the present invention.
Reference numbers in the figures:
100. a wall body; 101. reserving a connecting groove; 102. filling the groove; 103. a fill tube; 104. a first notch; 105. a second notch; 1051. perforating; 106. a step groove; 107. a third notch; 108. a rubber ring; 110. a buffering and shock-stopping pad; 120. a connecting beam; 140. caulking grooves; 141. inserting holes; 150. a first groove; 151. a first installation pile platform; 160. a shock-absorbing sleeve; 170. dovetail joint strips; 180. dovetail joint grooves; 190. a cylindrical shock-proof rubber strip; 191. fixing a support plate; 1911. a strip-shaped hole; 192. A pinch roller; 193. locking the bolt; 194. locking the beam; 1941. locking the pin rod; 195. a stringer;
200. overlapping the floor slabs; 210. a clamping strip; 220. inserting a screw rod; 230. overlapping edges; 240. clamping and connecting edges; 241. a cylindrical rubber strip; 250. a second groove; 251. a connecting plate; 260. connecting a sliding rod; 261. a baffle plate; 262. an impact spring; 263. connecting the loop bar; 300. a buffer sleeve.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
With reference to fig. 1 to 6, the fabricated floor slab and prefabricated wall fabricated seismic structure of this embodiment includes a wall 100 and a fabricated floor slab 200 that are matched with each other, the multiple fabricated floor slabs 200 are spliced to form a floor slab of the whole fabricated building, a movable gap is provided between one end of the wall 100 and the fabricated floor slab 200, and a buffer sleeve 300 is provided in the movable gap, specifically, in this embodiment, the fabricated floor slab 200 is installed at the upper end of the wall 100, after the fabricated floor slab 200 is produced according to a design size by a factory, a buffer sleeve 300 is provided in the movable gap between the wall 100 and the fabricated floor slab 200, and the buffer sleeve 300 can effectively absorb impact force generated by lateral swinging of the wall 100, so that the wall 100 can present a certain strength of swinging based on a horizontal plane, thereby effectively playing a role of absorbing energy, further achieving a purpose of stopping seismic, and effectively avoiding toppling of the wall 100, meanwhile, reliable connection between the composite floor slab 200 and the wall body 100 is effectively realized, and the overall earthquake resistance of the fabricated building is effectively improved.
In this embodiment, the connection beam 120 is arranged on the same side face of the composite floor slab 200 and the wall body 100, a triangular structure is formed between the connection beam 120 and the composite floor slab 200 and between the connection beam 120 and the wall body 100, the connection reliability between the side face of the wall body 100 and the composite floor slab 200 can be enhanced by the connection beam 120, when an earthquake occurs, the wall body 100 and the composite floor slab 200 are connected through the inclined strut connection beam 120, energy generated by multi-directional swinging of the wall body 100 can be effectively absorbed, further, the wall body 100 is effectively prevented from falling, and the anti-seismic effect of the whole assembly type anti-seismic structure is improved.
When the composite floor slab 200 is connected with the wall body 100 in this embodiment, the joint position of the composite floor slab 200 and the wall body 100 is respectively provided with the clamping strip 210 and the caulking groove 140, the clamping strip 210 and the caulking groove 140 constitute a clamping fit, the clamping strip 210 is provided with the vertically extending inserting screw rods 220 at equal intervals, the inserting screw rods 220 and the inserting holes 141 in the caulking groove 140 constitute an inserting fit, the buffer sleeve 300 is sleeved on the inserting screw rods 220, and the buffer sleeve 300 extends into the inserting holes 141. In this embodiment, the clamping strips 210 and the caulking grooves 140 are mutually matched and embedded, so that the tight connection between the stacked floor slab 200 and the lower end of the wall body 100 can be effectively realized, the inserting screw 220 and the buffer sleeve 300 extend into the inserting hole 141, when the transverse acting force of the wall body 100 is subjected to transverse swing, the buffer sleeve 300 positioned inside the wall body 100 can move with a certain margin, and the problem that the wall body 100 is cracked or toppled due to stress concentration can be effectively avoided.
In order to realize the interconnection between the composite floor slabs 200, the composite floor slabs 200 are mutually embedded to form a whole-plate structure, the joint surfaces of the adjacent composite floor slabs 200 are respectively provided with a lap edge 230 and a clamping edge 240, two groups of clamping grooves are arranged on the clamping edges 240 in a parallel interval penetrating mode in the length direction, two groups of clamping protrusions matched with the clamping grooves are arranged on the lap edge 230, and the edge positions of the adjacent composite floor slabs 200 are further provided with cylindrical rubber strips 241. Through cylinder rubber strip 241, overlap edge 230 and joint limit 240, not only make the gomphosis each other between the adjacent coincide floor 200, still make and produce certain movable allowance between the adjacent coincide floor 200, when producing great vibrations, through cylinder rubber strip 241, the stress that produces when can effectively adsorbing mutual extrusion between the adjacent coincide floor 200, avoid producing too big transverse impact force and the collapse problem that appears between the coincide floor 200.
As shown in fig. 5, the side surfaces of two adjacent composite floors 200 in this embodiment are provided with second grooves 250 extending along the width direction of the composite floors 200, the second grooves 250 are internally provided with connecting plates 251 extending vertically, the connecting plates 251 are provided with connecting slide bars 260 in a sliding manner, the connecting slide bars 260 extend along the length direction of the second grooves 250, specifically, the connecting plates 251 in this embodiment are provided with through holes for the connecting slide bars 260 to pass through, and the connecting plates 251 provide a base for the connecting slide bars 260 to slide. The two ends of the connecting slide bar 260 extending out of the connecting plate 251 are provided with blocking pieces 261, the connecting slide bar 260 is sleeved with an impact spring 262, and the two ends of the impact spring 262 are connected with the blocking pieces 261 on the two sides in an abutting mode respectively.
Wherein, a connecting loop bar 263 is arranged at one end of the connecting sliding rod 260 at the side of the composite floor slab 200 combined with the wall 100, which is close to the wall 100, and a damping sleeve 160 is arranged on the connecting loop bar 263. In this embodiment, a first groove 150 is formed in a side surface of the wall 100 close to the connection beam 120, a first installation pile platform 151 is disposed in the first groove 150, a damping sleeve 160 is sleeved on the first installation pile platform 151, installation sleeves are disposed at two ends of the first connection beam 120, the installation sleeves are sleeved on the periphery of the damping sleeve 160, and the installation sleeves form a plug-in fit with the first installation pile platform 151 and the damping sleeve 160 on the connection sleeve rod 263. In this embodiment, one end of the adjacent composite floor slabs 200 forms a movable connection assembly through the connection sliding rod 260 and the impact spring 262, and when the wall 100 is subjected to lateral swinging, the connection sliding rod 260 is pulled by the swinging force of the connection beam 120, so that the adjacent composite floor slabs 200 are more reliably tensioned and combined, and the adjacent composite floor slabs 200 are reliably connected.
For implementing reliable secondary connection between wall body 100 and coincide floor 200 to the realization is to wall body 100 and coincide floor 200's sealing connection, avoids appearing the infiltration problem, wall body 100 is provided with coincide floor 200's fitting surface and reserves connecting groove 101, reserve connecting groove 101 and caulking groove 140 parallel arrangement, the cell wall edge of reserving connecting groove 101 is provided with filling tank 102, filling tank 102 tank bottom is provided with filling tube 103, a side of wall body 100 is stretched out to the one end of filling tube 103. After the hoisting equipment hoists the wall 100 on the composite floor slab 200, cement is filled in the filling pipe 103, and the cement slurry is led into the reserved connecting groove 101, so that reliable sealing connection between the walls 100 and the composite floor slab 200 is realized.
The construction method of the assembled earthquake-resistant structure of the composite floor slab and the prefabricated wall body comprises the following steps:
step A, according to the design requirements of the earthquake-resistant building, designing the composite floor slab 200 and the wall body 100 meeting the size requirements through prefabricating in a factory, transferring the composite floor slab 200 and the wall body 100 to a construction position through transferring and hoisting equipment, placing the composite floor slab 200 and the wall body 100 on a corresponding construction hoisting frame, specifically, in the embodiment, when the wall body 100 is hoisted, the reserved insertion ribs correspond to the insertion holes in the wall body 100 one by one, a gap which is not less than 20mm is reserved between the contact surface of the wall body 100 and the composite floor slab 200 after the wall body 100 is placed in place, and controlling and adjusting the elevation of the wall body 100 by using sizing blocks. At this time, the clamping bar 210 at the bottom of the composite floor slab 200 at the joint with the wall 100 is clamped into the caulking groove 140 at the top of the wall 100 in a matching manner, and the plugging screw 220 and the buffer sleeve 300 on the clamping bar 210 extend into the plugging hole 141 in the caulking groove 140, so as to complete the primary connection and positioning of the wall 100 and the composite floor slab 200.
And B: the earthquake-resistant building is positioned through equipment, standard axes, control axes, floor slab mounting altitude lines and stair altitude lines are placed, the positions of reserved inserted bars are verified and adjusted through a positioning control steel plate, then the wall body 100 is hoisted through hoisting equipment.
And C: fix the correction to wall body 100 through setting up adjustable steel pipe bearing diagonal, specifically, interim bearing diagonal installation and correction in this embodiment: after the wall 100 is basically in place, quickly erecting an adjustable steel pipe inclined support, connecting and fixing the upper end and the lower end of the inclined support with the wall 100 and the composite floor slab 200, wherein the connection is realized through an embedded part and a top explosion bolt, and the lifting hook can be detached after ensuring that the wall 100 is basically accurate in placement and the side line of a component is basically matched with a control line; the number of the inclined supports of each wall 100 is not less than two, the inclined supports are positioned on the same side of the wall 100, and the included angle between each inclined support and the floor is more than or equal to 60 degrees; the position of the wall 100 is consistent with a control line popped up on the composite floor slab 200, deviation exists along the length direction of the horizontal plane projection of the wall 100, and a small jack is used for fine adjustment on the side surface of the wall 100; deviation exists along the width direction of the horizontal plane projection of the wall body 100, and the embedded part at the bottom of the wall body 100 is dragged by a chain block to be adjusted; the perpendicularity of the wall 100 is deviated, and the length of the screw rod of the adjustable inclined support is adjusted. Finally, the installation sleeves at the two ends of the first connecting beam 120 are sleeved on the peripheries of the first installation pile platform 151 and the connecting sleeve rods 263, so as to complete the tight connection between the wall 100 and the composite floor slab 200.
Step D: grouting the wall 100, and binding the edge members of the wall 100 with steel bars and installing templates, specifically, grouting the wall 100 in this embodiment: sealing a gap between the horizontal planes of the wall 100 and the composite floor slab 200 by using mortar with the compressive strength not less than 10 MPa; the grouting of the grout anchor connection node is preferably performed by a mechanical pressure grouting method, grouting operation is performed from a grouting hole at the bottom of a grouting sleeve, the whole process is slow and uniform, when an overflow hole at the upper end of a grouting pipe overflows grouting material at a uniform speed and no obvious bubbles exist, the grouting sleeve is proved to be full of grouting material, then the overflow hole is tightly plugged by a cork, then the grouting hole is sealed, and reliable secondary connection between the wall body 100 and the laminated floor slab 200 and between the wall body 100 and the wall body is completed.
Step E: the composite floor slab 200 and the wall body 100 are installed through hoisting equipment, and then the composite floor slab 200 and the wall body 100 are installed into a whole through the connecting beam 120;
step F: carry out cast-in-place layer reinforcement in 100 turning positions of wall body of earthquake-resistant building to carry out concrete placement, specifically, wall body 100 wall edge member reinforcement and template installation in this embodiment: when the edge members of the wall body 100 are bound by steel bars, the vertical steel bars lapped at the hidden columns are firmly bound with the stirrups reserved outside the wall body 100 to form a whole; before the reinforcement at the hidden column is bound, rechecking and adjusting the position of the reserved vertical reinforcement on the overlapped floor slab 200, wherein the lap joint section is firmly welded by adopting electric arc welding and the stirrup of the section is encrypted; when the cast-in-situ shear wall reinforcing steel bars are bound, the lap joint length of the vertical ribs and the lower layer extending ribs meets the standard requirement; before the formwork erecting work starts, sundries on the edge of the wall 100 are cleaned, and mortar is smeared on the lower portion of the formwork to be leveled; the formwork adopts wooden template, fixes through the wall split bolt.
Wherein installation of coincide floor 200 piece bottom template: before installing the template, cleaning up floating slurry sundries at the lower part of the prefabricated composite floor slab 200; and a lower side single-side formwork is adopted at the lower part of the gap between the two prefabricated composite floor slabs 200.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a coincide floor and prefabricated wall's assembled antidetonation structure which characterized in that: including matched with wall body (100) and coincide floor (200), a plurality of coincide floors (200) splice each other and constitute the floor of whole assembled building, be provided with the clearance between wall body (100) one end and coincide floor (200), be provided with cushion collar (300) in the clearance, just coincide floor (200) and wall body (100) be provided with tie-beam (120) on the same one side, form the triangle-shaped structure between tie-beam (120) and coincide floor (200) and wall body (100).
2. The fabricated earthquake-resistant structure of the laminated floor slab and the prefabricated wall body as claimed in claim 1, wherein: coincide floor (200) and wall body (100) the hookup location be provided with joint strip (210) and caulking groove (140) respectively, joint strip (210) and caulking groove (140) constitute the joint cooperation, equidistant interval is provided with grafting screw rod (220) on joint strip (210), grafting screw rod (220) and caulking groove (140) interior spliced eye (141) constitute the cooperation of pegging graft, cushion collar (300) cover is established on grafting screw rod (220), and cushion collar (300) stretch into in spliced eye (141).
3. The fabricated earthquake-resistant structure of the laminated floor slab and the prefabricated wall body as claimed in claim 2, wherein: second recess (250) that extend along coincide floor (200) width direction are seted up to the side of two adjacent coincide floors (200), be provided with vertical extension connecting plate (251) in second recess (250), it connects slide bar (260) to slide on connecting plate (251), just connect slide bar (260) to extend along the length direction of second recess (250), wherein the one end that is close to wall body (100) on connecting slide bar (260) of coincide floor (200) side that combines together with wall body (100) is provided with connecting loop bar (263), be provided with shock attenuation cover (160) on connecting loop bar (263).
4. The fabricated earthquake-resistant structure of the laminated floor slab and the prefabricated wall body as claimed in claim 3, wherein: the both ends position that connects slide bar (260) to stretch out connecting plate (251) all is provided with separation blade (261), it is equipped with impact spring (262) to overlap on connecting slide bar (260), just the both ends of impact spring (262) are supported with separation blade (261) of both sides respectively and are leaned on the connection.
5. The fabricated earthquake-resistant structure of the laminated floor slab and the prefabricated wall body as claimed in claim 4, wherein: first recess (150) have been seted up to the side that wall body (100) are close to tie-beam (120), be provided with first installation stake platform (151) in first recess (150), the cover is equipped with shock attenuation cover (160) on first installation stake platform (151), the both ends of first tie-beam (120) are provided with the installation sleeve pipe, shock attenuation cover (160) periphery is located to the installation sleeve pipe cover, and the installation sleeve constitutes the cooperation of pegging graft with shock attenuation cover (160) on first installation stake platform (151) and adapter sleeve pole (263).
6. The fabricated earthquake-resistant structure of the laminated floor slab and the prefabricated wall body as claimed in claim 5, wherein: mutual gomphosis is whole platelike structure between coincide floor (200), and the faying face of adjacent coincide floor (200) is provided with overlap edge (230) and joint limit (240) respectively, parallel interval runs through on joint limit (240) length direction is provided with two sets of joint grooves, it is protruding to be provided with two sets of joints with joint groove matched with on overlap edge (230), and the edge of adjacent coincide floor (200) still is provided with cylindrical rubber strip (241).
7. The fabricated earthquake-resistant structure of laminated floor slabs and prefabricated walls as claimed in any one of claims 2 to 6, wherein: wall body (100) and the fitting surface of coincide floor (200) are provided with and reserve connecting groove (101), reserve connecting groove (101) and caulking groove (140) parallel arrangement, filling groove (102) have been seted up at the cell wall edge of reserving connecting groove (101), be provided with in filling groove (102) and fill pipe (103), just a side of wall body (100) is stretched out to fill pipe (103) one end.
8. The utility model provides a construction method of assembled antidetonation structure of coincide floor and prefabricated wall body which characterized in that: the method comprises the following steps:
a, prefabricating and designing a composite floor slab (200) and a wall body (100) which accord with the size according to the design requirement of an earthquake-resistant building, transferring the composite floor slab (200) and the wall body (100) to a construction position, and placing the composite floor slab (200) and the wall body (100) on a corresponding construction lifting frame;
and B: positioning the earthquake-resistant building through equipment, placing a standard axis, a control axis, a height line for installing a floor slab and a height line for a stair, verifying and adjusting the position of a reserved dowel bar by adopting a positioning control steel plate, and hoisting a wall body (100) through hoisting equipment;
and C: fixing and correcting the wall body (100) by erecting adjustable steel pipe inclined supports;
step D: grouting the wall body (100), binding reinforcing steel bars of edge members of the wall body (100) and installing templates;
step E: the composite floor (200) and the wall (100) are installed through hoisting equipment, and then the composite floor (200) and the wall (100) are installed into a whole through a connecting beam (120);
step F: and (4) binding the cast-in-place layer steel bars at the corner position of the wall body (100) of the earthquake-resistant building, and pouring concrete.
9. The construction method of the fabricated earthquake-proof structure of the composite floor slab and the prefabricated wall body according to claim 8, wherein: and in the step B, standard axis control piles are arranged at four corners of the house, a theodolite or a total station is used for determining at least one control axis in the longitudinal and transverse axis directions, the control axis on the floor is directly led out upwards from the axis of the bottom layer, the longitudinal and transverse axes of the building are sequentially discharged according to the control axis and the control horizontal line, and then the detailed position control lines of the intersection nodes of the wall body (100), the door opening and the structural member, the elevation lines of the laminated floor slab (200) and the elevation lines of the stairs are discharged according to the obtained axes.
10. The construction method of the fabricated earthquake-proof structure of the composite floor slab and the prefabricated wall body according to the claim 9, wherein: in the step A, when the wall body (100) is hoisted, the reserved insertion ribs correspond to the insertion holes in the wall body (100) one by one, a gap which is not less than 20mm is reserved between the contact surface of the wall body (100) and the laminated floor slab (200) after the wall body (100) is placed in place, and the elevation of the wall body (100) is controlled and adjusted by adopting the sizing blocks.
CN202210716650.0A 2022-06-23 2022-06-23 Assembled anti-seismic structure of composite floor slab and prefabricated wall body and construction method thereof Active CN114876085B (en)

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CN117266428A (en) * 2023-11-20 2023-12-22 西南石油大学 Assembled vibration reduction floor slab and assembling method
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CN118087767A (en) * 2024-04-18 2024-05-28 中交建筑集团东南建设有限公司 Composite floor slab, composite floor slab hoisting construction equipment and construction method thereof

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