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CN-121990474-A - Wall-crossing tower crane mounting structure and construction method thereof

CN121990474ACN 121990474 ACN121990474 ACN 121990474ACN-121990474-A

Abstract

The invention discloses a wall-crossing tower crane installation structure and a construction method thereof, wherein the wall-crossing tower crane installation structure is constructed by providing two vertical frame bodies, providing a plurality of wall-penetrating sleeves with the length equal to the thickness of a wall to be crossed, fixedly installing a plurality of half cross bars arranged at intervals along the height direction of the vertical frame bodies on each vertical frame body, so that the half cross bars on the two vertical frame bodies are opposite to each other in pairs to form a plurality of pairs of half cross bars, and detachably butting two half cross bars in each pair of half cross bars to form a plurality of first cross bars; the invention solves the problem of the arrangement of the tower crane in a narrow space and crossing walls, avoids the later plate repairing and large-scale mechanical dismantling cost, saves the cost, improves the arrangement flexibility of the tower crane, reduces the dismantling safety risk, improves the construction efficiency and has higher popularization value.

Inventors

  • HE CHAODA

Assignees

  • 中国建筑第八工程局有限公司

Dates

Publication Date
20260508
Application Date
20260309

Claims (10)

  1. 1. The construction method of the wall-crossing tower crane installation structure is characterized by comprising the following steps of: Providing two vertical frame bodies, fixedly mounting a plurality of half cross bars arranged at intervals along the height direction of the vertical frame bodies on each vertical frame body, so that the half cross bars on the two vertical frame bodies are opposite to each other in pairs to form a plurality of half cross bars, and detachably butting two half cross bars in each half cross bar to form a plurality of first cross bars; Providing a plurality of wall-penetrating sleeves with the length equal to the thickness of a wall to be crossed, and sleeving the wall-penetrating sleeves on the first cross bars at the butt joint positions of the two corresponding half cross bars in a one-to-one correspondence manner, so that a nonstandard transition joint of the tower crane is formed; two sets of supporting leg brackets which are oppositely arranged are pre-buried in soil body in the foundation range of the tower crane, so that the two sets of supporting leg brackets are respectively positioned at two opposite outer sides of a wall to be spanned, and two vertical frame bodies in nonstandard transition sections of the tower crane are correspondingly arranged at the tops of the two sets of supporting leg brackets one by one; At least one drawknot piece is arranged at the top of at least one vertical frame body to realize overturn prevention reinforcement; Pouring a tower crane foundation, and binding reinforcing steel bars of a wall to be spanned; Pouring the wall to be spanned, dismantling the first cross bars and the two vertical frame bodies after the wall to be spanned is poured, and repairing the hole of the wall bushing with water and repairing the water, thereby completing the construction of the wall-spanning tower crane installation structure.
  2. 2. The method of constructing a wall-spanning tower crane installation structure of claim 1, wherein when two vertical frames are provided, the vertical frames comprise: Two upright posts arranged at intervals; The second cross bars are fixed between the two upright rods at intervals along the height direction; And the inclined rods are respectively and fixedly connected between every two adjacent second cross rods, and the two ends of each inclined rod are respectively and fixedly connected with two vertical rods.
  3. 3. The construction method of a wall-spanning tower crane installation structure according to claim 2, wherein after the two half cross bars in each pair of half cross bars are butted to form a plurality of first cross bars, first haunching plates are respectively fixed at the connection parts of each first cross bar and the corresponding vertical frame body upright bars.
  4. 4. The construction method of a wall-spanning tower crane installation structure according to claim 2, wherein when two sets of support leg supports are embedded in soil body of a tower crane foundation range, each set of support leg supports comprises two support leg support bodies respectively supported at bottoms of two upright posts in the corresponding vertical frame body, and each support leg support body comprises: The device comprises a supporting wing plate embedded in the soil body, another supporting wing plate used for supporting the bottom of a corresponding vertical rod, at least two connecting web members fixedly connected between the two supporting wing plates, and at least one group of reinforcing members connected between every two adjacent connecting web members, wherein each group of reinforcing members comprises a plurality of reinforcing rods arranged along the vertical interval.
  5. 5. The construction method of a wall-spanning tower crane installation structure according to claim 1, wherein when two of the pair of half cross bars are detachably butted to form a plurality of first cross bars, flange bolts are connected between the two of the pair of half cross bars.
  6. 6. The construction method of a wall-spanning tower crane installation structure according to claim 1, wherein a foundation pit supporting pile is arranged on the outer side of the wall to be spanned, at least one drawknot member is arranged on the top of at least one vertical frame body to realize overturning prevention reinforcement, and drawknot members are arranged at positions, corresponding to the waist beams of the supporting pile, on the vertical frame body on the outer side of the wall to be spanned, and one ends of the drawknot members are fixedly connected with the vertical frame body, and the other ends of the drawknot members are fixedly connected with the waist beams of the supporting pile.
  7. 7. The construction method of a wall-crossing tower crane installation structure according to claim 1, wherein when the wall-crossing steel bars to be crossed are bound, the positions of the wall-crossing sleeves are adjusted, so that each wall-crossing sleeve is symmetrically arranged by two adjacent wall-crossing vertical steel bars, the cylinder opening is flush with the wall surface of the wall to be crossed, and each first cross rod is positioned on the central axis of the corresponding wall-crossing sleeve, thereby realizing the positioning of the wall-crossing sleeve.
  8. 8. The construction method for a wall-crossing tower crane installation structure according to claim 7, wherein the wall-crossing sleeve is reinforced when the reinforcing steel bars of the wall to be crossed are bound, the reinforcing method comprising: Two transverse reinforcing steel bars are respectively and fixedly arranged between two wall body vertical steel bars at two sides of each wall bushing, and are respectively fixed at the top end and the bottom end of the corresponding wall bushing; Oblique reinforcing steel bars are fixedly arranged on the opposite sides of each wall bushing along tangential lines respectively, and the two oblique reinforcing steel bars are respectively fixed between the vertical reinforcing steel bars and the transverse reinforcing steel bars of each adjacent wall body.
  9. 9. The construction method of a wall-spanning tower crane installation structure according to claim 1, wherein when the hole of the wall-penetrating sleeve is subjected to repair casting and waterproof repair, the repair casting and waterproof repair method comprises the following steps: providing a plugging steel plate, and fixedly connecting the plugging steel plate with a through-wall sleeve hole positioned on one side of the outer side surface of the wall body; Pouring concrete with the same strength as the wall concrete into the wall bushing; and providing another plugging steel plate, and fixedly connecting the other plugging steel plate with the hole of the wall bushing positioned on one side of the inner side surface of the wall body.
  10. 10. A wall-spanning tower crane installation structure, characterized in that the construction is performed by the wall-spanning tower crane installation structure construction method as described in claim 1, the wall-spanning tower crane installation structure comprising: Crossing a wall; the tower crane foundation is poured into the foundation soil at the bottom of the wall to be spanned; The two groups of supporting leg brackets are pre-embedded in the range of the tower crane foundation and are respectively positioned on the two opposite outer sides of the wall to be spanned; the tower crane nonstandard transition joint comprises two vertical frame bodies which are arranged at the tops of two groups of support leg brackets in a one-to-one correspondence manner, and a plurality of pairs of half cross bars which are relatively fixed between the two vertical frame bodies, wherein each pair of half cross bars are detachably butted into a first cross bar, a wall penetrating sleeve which penetrates through the wall to be crossed is sleeved on the position of the first cross bar, where the first cross bar is butted with the corresponding two half cross bars, and the length of the wall penetrating sleeve is equal to the thickness of the wall to be crossed; At least one drawknot piece is arranged at the top of at least one vertical frame body.

Description

Wall-crossing tower crane mounting structure and construction method thereof Technical Field The invention relates to the technical field of building construction, in particular to a wall-crossing tower crane installation structure and a construction method thereof. Background In the construction of building engineering, the tower crane is used as a key hoisting device for horizontal and vertical transportation, and the installation position of the tower crane is often limited by factors such as structural space, collision and the like. In general, the tower crane is arranged in the foundation pit before the basement is constructed, and the tower crane is required to be attached to a tower at a high level and is required to be arranged close to the tower. The second period new construction project of a certain hospital has a total application area of 27601m 2 and a total building area of 182884.18 m 2. Comprises a 19-layer out-patient hospitalization comprehensive building, 3 13-layer old-care rehabilitation building A, B, C, a highest building height of 90.9m and 3 layers of basements. According to the general planar arrangement of construction, a total of 5 construction tower cranes are arranged, one of the construction tower cranes is required to be installed across the outer wall of the basement, and if a traditional mode that the tower body of the tower crane and the wall body are synchronously constructed and are poured together or a mode that the reserved structure wall body is poured after the later-stage tower crane is removed is adopted, the problems that the structural safety is influenced due to shaking of the tower crane, inconvenience is caused in removal, the wall body is damaged during removal, wall body penetration is caused and the like are all caused. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a wall-crossing tower crane installation structure and a construction method thereof, and the difficult problem of wall-crossing arrangement of the tower crane is skillfully solved by designing a nonstandard transition structure of the tower crane and a matched construction method, so that the wall-crossing arrangement of the tower crane is achieved without influencing the use of the tower crane and the waterproof effect of an outer wall. In order to achieve the above purpose, the invention provides a construction method of a wall-spanning tower crane installation structure, which comprises the following steps: Providing two vertical frame bodies, fixedly mounting a plurality of half cross bars arranged at intervals along the height direction of the vertical frame bodies on each vertical frame body, so that the half cross bars on the two vertical frame bodies are opposite to each other in pairs to form a plurality of half cross bars, and detachably butting two half cross bars in each half cross bar to form a plurality of first cross bars; Providing a plurality of wall-penetrating sleeves with the length equal to the thickness of a wall to be crossed, and sleeving the wall-penetrating sleeves on the first cross bars at the butt joint positions of the two corresponding half cross bars in a one-to-one correspondence manner, so that a nonstandard transition joint of the tower crane is formed; two sets of supporting leg brackets which are oppositely arranged are pre-buried in soil body in the foundation range of the tower crane, so that the two sets of supporting leg brackets are respectively positioned at two opposite outer sides of a wall to be spanned, and two vertical frame bodies in nonstandard transition sections of the tower crane are correspondingly arranged at the tops of the two sets of supporting leg brackets one by one; At least one drawknot piece is arranged at the top of at least one vertical frame body to realize overturn prevention reinforcement; Pouring a tower crane foundation, and binding reinforcing steel bars of a wall to be spanned; Pouring the wall to be spanned, dismantling the first cross bars and the two vertical frame bodies after the wall to be spanned is poured, and repairing the hole of the wall bushing with water and repairing the water, thereby completing the construction of the wall-spanning tower crane installation structure. Preferably, when two vertical frames are provided, the vertical frames include: Two upright posts arranged at intervals; The second cross bars are fixed between the two upright rods at intervals along the height direction; And the inclined rods are respectively and fixedly connected between every two adjacent second cross rods, and the two ends of each inclined rod are respectively and fixedly connected with two vertical rods. Preferably, after the two half cross bars in each pair of half cross bars are butted to form a plurality of first cross bars, first armpit plates are respectively fixed at the connection parts of each first cross bar and the corresponding vertical frame body neutral bars.