CN215252995U

CN215252995U - Tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction

Info

Publication number: CN215252995U
Application number: CN202120665065.3U
Authority: CN
Inventors: 杨彪; 胡积兴; 罗勇; 陈莹; 李文涛; 王泽旭
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-21
Anticipated expiration: 2031-04-01

Abstract

The utility model provides a deep water bare rock riverbed bent frame mound rigid frame bridge construction tower crane foundation structure, protect a section of thick bamboo, a plurality of tubular pile basis and platform including the steel, the tubular pile basis includes the inside concrete that fills of steel pipe and steel pipe, the platform includes the bolt, indulges crossbeam, clamp plate, the bottom of steel pipe is fixed on lithology riverbed, the top of steel pipe sets up vertical beam, vertical beam forms well style of calligraphy structure, the bottom anchor of bolt is in the concrete, the steel protects a section of thick bamboo cover and establishes the outside on tubular pile basis, the clamp plate sets up in vertical and horizontal roof beam top, fixes the clamp plate on the concrete through the bolt, and the tower crane base sets up on vertical beam, through the bolt fastening. The utility model discloses a tubular pile basis, steel protect a section of thick bamboo and platform as bearing structure, through bolted connection between platform and tubular pile basis, the tower crane, the installation is dismantled conveniently, and the cyclic utilization of being convenient for can effectively solve the continuous rigid frame of framed bent mound and at the construction tower crane stability, the security scheduling problem of deep water bare rock section.

Description

Tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction

Technical Field

The utility model belongs to the technical field of rigid frame bridge construction basis, concretely relates to bare rock riverbed framed bent of deep water mound rigid frame bridge construction tower crane foundation structure.

Background

The continuous rigid frame bridge lower part structural form adopted by crossing the river in the past mostly adopts pile foundations, bearing platforms and hollow thin-wall piers, along with the improvement of the requirements of the navigation grade, the structural safety, the environmental protection and the like of the river channel, the continuous rigid frame bridge structural form of the bent piers (the large-volume excavation of the buried bearing platforms to the river lithologic riverbed is avoided) is favored, the tower crane foundation cannot utilize the existing bearing platform structure to carry out stable positioning, and some problems of instability and insecurity can occur in the construction process.

Disclosure of Invention

The utility model provides a deep water bare rock riverbed framed bent mound rigid frame bridge construction tower crane foundation structure has solved, can effectively solve the continuous rigid frame of framed bent mound and at the construction tower crane stability, the security scheduling problem of deep water bare rock section.

The technical scheme of the utility model is that: the utility model provides a bare rock riverbed framed bent mound rigid frame bridge construction tower crane foundation structure of deep water, protects a section of thick bamboo, a plurality of tubular pile basis and platform including the steel, tubular pile basis includes the inside poured concrete of steel pipe and steel pipe, the platform includes bolt, vertical beam, clamp plate, the bottom of steel pipe is fixed on lithology riverbed, the top of steel pipe sets up vertical beam, vertical beam forms well style of calligraphy structure, the bottom anchor of bolt is in the concrete, the steel protects a section of thick bamboo cover and establishes the outside on tubular pile basis, the clamp plate sets up in vertical and horizontal beam top, fixes the clamp plate on the concrete through the bolt, and the tower crane base sets up on vertical beam, through the bolt fastening.

The scheme is further that the number of the tubular pile foundations is four, the connecting lines of the pile positions are square, and the steel pile casing is sleeved outside the four tubular pile foundations.

The scheme is further that fine sand is filled between the tubular pile foundation and the steel casing.

And further, a percussion drill guide hole is drilled on the lithologic riverbed through a drilling machine.

The scheme is further that the length of clamp plate is greater than the width of longitudinal beam, be equipped with the screw on the clamp plate, the bolt passes the screw and fixes the clamp plate to fixed longitudinal beam.

The utility model has the advantages that: the utility model discloses a tubular pile basis, steel protect a section of thick bamboo and platform pass through bolted connection as bearing structure between platform and tubular pile basis, the tower crane, and the installation is dismantled conveniently, and the cyclic utilization of being convenient for, tubular pile basis and steel protect a combination ability of section of thick bamboo effectively solve the continuous rigid frame of framed bent mound at the construction tower crane stability of the bare rock section in deep water, security scheduling problem.

Drawings

FIG. 1 is an installation schematic diagram of a tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction;

FIG. 2 is a schematic structural diagram of a tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction;

FIG. 3 is a schematic diagram of a lithologic riverbed structure of a tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction;

FIG. 4 is a structural plan view of the tower crane foundation structure for deep water bare rock riverbed framed bent pier rigid frame bridge construction;

wherein: 1. the tower crane comprises a tower crane body 2, a tower crane base 3, a pressing plate 4, a longitudinal beam, a transverse beam, a bolt 5, a fine sand 6, a steel casing 7, a steel pipe 8, a steel pipe 9, a lithologic riverbed 10, concrete 11 and a percussion drill guide hole.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.

The utility model discloses a concrete implementation mode: as shown in fig. 1-4, a deep water bare rock riverbed bent frame pier rigid frame bridge construction tower crane foundation structure, includes steel protects a 7, a plurality of tubular pile foundations and platform, the tubular pile foundations includes steel pipe 8 and the inside concrete 10 that pours into of steel pipe 8, the bottom of steel pipe 8 is fixed on lithologic riverbed 9, on the one hand the concrete 10 that pours into can make steel pipe 8 and lithologic riverbed 9 anchor, on the other hand can improve the bulk rigidity of steel pipe 8, the platform includes bolt 5, horizontal and vertical beams 4, clamp plate 3, the top of steel pipe 8 sets up vertical beam 4, vertical beam 4 has four, two sets up in the lower floor, and two sets up in the upper strata, and horizontal and vertical beams 4 on the upper strata are fixed in and form the groined type structure on lower floor vertical beam 4, the bottom anchor of bolt 5 is in concrete 10, the figure of tubular pile foundations is four, and the line of pile position is square, the steel protects a 7 covers and establishes in the outside on four tubular pile foundations, tubular pile foundation and steel are protected to fill between the section of thick bamboo 7 and are filled with fine sand 6, fill closely knit tubular pile foundation and steel and protect a 7 clearance, enable four tubular pile foundations and even increase stability as a whole, clamp plate 3 sets up 4 tops of crossing freely and quickly, fixes clamp plate 3 on concrete 10 through bolt 5, and the tower crane base 2 of 1 bottom of tower crane sets up on crossing freely and quickly roof beam 4, and is fixed through bolt 5.

The utility model discloses furtherly, beat through the rig and be equipped with the percussion drill pilot hole 11 on the lithology riverbed 9, steel pipe 8 is fixed and is being strikeed in the drill pilot hole 11.

The utility model discloses further, the length of clamp plate 3 is greater than the width of longitudinal girder 4, be equipped with the screw on the clamp plate 3, bolt 5 passes the screw and fixes clamp plate 3 to fixed longitudinal girder 4.

The utility model discloses a work progress is: a percussion drill is used for drilling a percussion drill guide hole 11 on a lithologic riverbed 9 at the bottom of water, then a steel pipe 8 is driven into the water, the lithologic riverbed 9 is wedged, concrete 10 is poured to anchor the steel pipe 8 and the lithologic riverbed 9, the integral rigidity of the steel pipe 8 is improved, a part of a bolt 5 of a platform is embedded into the concrete 10, after the construction of four pipe pile foundations is finished, a steel pile casing 7 is lowered to the lithologic riverbed 9 from the top surface of the pipe pile foundation, and fine sand 6 is used for filling a gap between a compact pipe pile foundation and the steel pile casing 7, so that the stability of the four pipe pile foundations can be integrally increased. And then, installing a profile steel longitudinal beam 4 and a pressing plate 3 on the top of the pipe pile foundation, tightening a bolt 5, connecting the tower crane base 2 and the longitudinal and transverse beams 4 by using the bolt 5, pressing the pressing plate 3 on the longitudinal beam 4, drilling screw holes at two ends of the pressing plate and penetrating through the bolt 5 pre-embedded in the concrete 10, and tightening the bolt 5 to enable the pressing plate 3 to tightly press the longitudinal beam 4 on the pipe pile foundation.

While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.

Claims

1. The utility model provides a bare rock riverbed framed bent mound rigid frame bridge construction tower crane foundation structure of deep water, a serial communication port, protect a section of thick bamboo, a plurality of tubular pile basis and platform including the steel, the tubular pile basis includes the inside concrete that fills of steel pipe and steel pipe, the platform includes bolt, vertical beam, clamp plate, the bottom of steel pipe is fixed on lithology riverbed, the top of steel pipe sets up vertical beam, vertical beam forms well style of calligraphy structure, the bottom anchor of bolt is in the concrete, the steel protects a section of thick bamboo cover and establishes the outside on tubular pile basis, the clamp plate sets up in vertical and horizontal roof beam top, fixes the clamp plate on the concrete through the bolt, and the tower crane base sets up on vertical beam, through the bolt fastening.

2. The deep water bare rock riverbed bent pier rigid frame bridge construction tower crane foundation structure as claimed in claim 1, wherein the number of the pipe pile foundations is four, the connecting line of the pile positions is square, and the steel pile casings are sleeved outside the four pipe pile foundations.

3. The deep water bare rock riverbed bent pier rigid frame bridge construction tower crane foundation structure as claimed in claim 2, wherein fine sand is filled between the pipe pile foundation and the steel pile casing.

4. The deep water bare rock riverbed bent frame pier rigid frame bridge construction tower crane foundation structure as claimed in claim 1, wherein the lithologic riverbed is provided with a percussion drill guide hole through drilling.

5. The deep water bare rock riverbed bent frame pier rigid frame bridge construction tower crane foundation structure of claim 1, wherein the length of the pressing plate is greater than the width of the longitudinal beam, the pressing plate is provided with a screw hole, and a bolt penetrates through the screw hole to fix the pressing plate so as to fix the longitudinal beam.