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تشنغتشو ، الصين

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punching pile construction scheme

FOUNDATION DESIGN AND CONSTRUCTION CEDD

4.2.5 Driven Cast-in-place Concrete Piles 58 4.3 SMALL-DISPLACEMENT PILES 58 4.3.1 General 58 4.3.2 Steel H-piles 58 4.3.3 Open-ended Steel Tubular Piles 59 4.4 REPLACEMENT PILES 59 4.4.1 General 59 4.4.2 Machine-dug Piles 59 4.4.2.1 Mini Based on the field investigation and many times of technical discussion, the construction platform of the main pier bearing platform of the bridge is formed by filling the island Construction Technology of Composite Cofferdam for Main Pier

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Pile Supported Foundation (Pile Cap) Analysis and Design

Pile Supported Foundation (Pile Cap) Analysis and Design Based on a geotechnical study, a pile supported foundation is required to support a heavily loaded building column. construction technology of CFG pile and reinforcement effect of composite foundation respectively adopting borehole core testing, pile reflection wave method to detect, single 'HWHFWLRQDQG5HLQIRUFHPHQW (IIHFWRI&)*3LOH IOPscience

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Characteristics Analysis of Load Caused by Punching Pile

waveforms of the punching pile construction and blasting construction were analyzed contrastively. It expounded the characteristics of impact loads, and deduced the The construction plan includes the following steps: underpinning pile construction, foundation pit excavation, the concreting of the underpinning bearing platform, and Schematic diagram of the pile foundation underpinning

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Reinforcing treatment of the punching pile of the engineering

Integrating with actual engineering,in light of bearing shortage of the pile foundation,the article analyzes and puts forward high-pressure grouting compaction scheme and The impact of pile punching on an adjacent pile was investigated using the established 3D SPH-FEM model. In the model, a 5 m long pile with 200 mm diameter Applied Mechanics Free Full-Text Impact of Pile Punching on

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Dynamic impact of punching construction on adjacent

Dynamic impact of punching construction on adjacent existing bridge pile foundation was analyzed based on finite element numerical analysis method.Article “Brief Analysis of the Construction Scheme of Punching Pile in Large Buildings” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Brief Analysis of the Construction Scheme of Punching Pile in

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CN109113053A A kind of digitized simulation construction

CN109113053A CN201810960237.2A CN201810960237A CN109113053A CN 109113053 A CN109113053 A CN 109113053A CN 201810960237 A CN201810960237 A CN 201810960237A CN 109113053 A CN109113053 A CN 109113053A Authority CN China Prior art keywords punching concrete pile construction method construction Prior art The invention discloses a kind of multisection type composite bushing punching press sandy pile construction engineering methods, include the following steps：(1) composite bushing is vertically in place；(2) composite bushing is hammered；(3) inner tube proposes and fills sand into outer tube；(4) inner and outer pipes are concordant；(5) hammering CN108487226A Multisection type composite bushing punching

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CN116464404A Hole forming device of punched bored pile and

The utility model relates to a hole forming device of bored concrete pile punches and construction method thereof, belong to pile foundation construction equipment technical field, including the bored concrete pile machine that punches a hole, wire rope's free end is fixed to be provided with the hammer, hole forming device is still including In this paper, a footing enlargement retrofit method utilizing external prestressing is proposed. For a square spread footing, the proposed strengthening system could be implemented using the following steps: (1) trimming four corners of the square footing, (2) installing circular prestressing ducts and tendons, (3) placing formwork and Structural Strengthening of Concrete Footings Using External

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ENCE 717 Integral Abutment ABUTMENT/PIER DESIGN UMD

Case A Capacity of the pile as a structural member. The design for combined moment and axial force will be based on an analysis that takes the effect of the soil into account. Case B Capacity of the pile to transfer load to the ground. Case C- Capacity of the ground to support the load. For piles on competent rock, only Case A needs to beThe punching pile slurry leakage alarm comprises a buoyancy switch box, wherein the upper end of the left side of the buoyancy switch box is fixedly connected with an electric appliance box, the upper end of the electric appliance box is connected with an audible and visual alarm, the left side of the lower end inside the buoyancy switch box is fixedly Slurry leakage alarm for punching pile Google Patents

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Pretreatment for Tunnel Karst Cave during Excavation: A Case

3.2.2. Large Karst Cavern above Arch Waist. This treatment scheme is mainly aimed at karst caverns located above the arch waist or outside the tunnel excavation surface that have a development depth of greater than 2.0 m, and width less than that of the excavation face of the tunnel. Large Water-Filled Karst Cavern.Integrating with actual engineering,in light of bearing shortage of the pile foundation,the article analyzes and puts forward high-pressure grouting compaction scheme and summarizes construction technology.The core-drilling and low stress compaction results show that the reinforcement effect is great,which has provided new concept for similar Reinforcing treatment of the punching pile of the engineering

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CN218060276U Be used for close solid agitated vessel of punching pile

The utility model discloses a concrete compact stirring device for punching pile construction, which comprises a bottom frame with a through hole in the middle, wherein the upper surface of the bottom frame is fixedly connected with a support frame, and the support frame is provided with a lifting plate and a lifting mechanism for driving the lifting The utility model discloses a stake device is irritated in punching that municipal construction used, include the loading board, hold case, a backplate and suspension board, loading board lower extreme four corners department all is provided with the universal wheel, loading board upper end one side is provided with hold the case, it is CN215108711U Punching and pile filling device for municipal

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CN213573865U Punching pile machine Google Patents

The pile hammer module and the down-the-hole hammer module are switched for use and are respectively constructed corresponding to different geological layers; the utility model discloses stake machine punches a hole passes through the platform and combines with the down-the-hole hammer, makes the stake machine of punching a hole can solve the The invention discloses a construction control device for a punching cast-in-place pile, wherein a winding drum is connected with a punching hammer through a steel wire rope, the punching hammer is arranged in a pile hole of the cast-in-place pile, the construction control device also comprises a rotary sensor arranged on the winding drum of a winch, CN112726604A Construction control device and method for

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CN103835292A High-frequency vibration-punching base

The construction method comprises the steps that hammering and static pressing are carried out on the pipe pile according to the design requirements so that the pipe pile body can have the designed elevation, a high-frequency vibration punching device is used for carrying out vibration punching on the bottom of the pipe pile body, the bottom of the The invention provides a pile hammer of a punching pile driver for building construction, which effectively solves the problems that the hammer head of the existing punching pile driver is easy to incline in a pile hole, the hammer head is easy to clamp in the pile hole, a quincuncial hole is easy to appear, and the phenomenon of hole collapse is easy to CN111305758A Pile hammer of punching pile driver for

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CN103758128A Raked pile rock-socketed punching construction

The invention discloses a raked pile rock-socketed punching construction method. According to the method, a hollow percussion hammer is lifted by a certain distance and then suddenly released to enable the percussion hammer to fall off freely along a raked steel pipe pile, and kinetic energy of percussion of the percussion hammer is utilized to The utility model relates to a construction safety apparatus field specifically discloses a punching bored concrete pile protects a entrance to a cave safety device. The safety device comprises a plurality of safety structure units which are detachably connected with each other, wherein each safety structure unit comprises a main body frame forming a CN213597538U Safety device for hole of pile casing of punching

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Effective Reinforcement Treatment of Foundation Pit Slope

3.2 Anti slide pile support technology . In practical construction, the anti slide pile support technology is usually suitable for the relatively complicated objective environment of geotechnical engineering. This technology, used for the reinforcement of foundation pit slope, can effectively control the movement of fracture zone around4.2.5 Driven Cast-in-place Concrete Piles 58 4.3 SMALL-DISPLACEMENT PILES 58 4.3.1 General 58 4.3.2 Steel H-piles 58 4.3.3 Open-ended Steel Tubular Piles 59 4.4 REPLACEMENT PILES 59 4.4.1 General 59 4.4.2 Machine-dug Piles 59 4.4.2.1 Mini-piles 60 4.4.2.2 Socketed H-piles60 4.4.2.3 Continuous flight auger piles 60FOUNDATION DESIGN AND CONSTRUCTION CEDD

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探究溶洞预处理冲孔桩施工技术在岩溶地区的应用

Keywords: punching pile construction in karst area; cave 中图分类号：TU74文献标识码：A岩溶地貌是典型地貌，岩溶地貌的施工历来是个难点，在人们对岩溶地区施工要求越来越高的背景下加强对这一地区施工技术的研究具有重要意义。The application relates to an environment-friendly punching pile machine drill bit which comprises a device body, wherein the device body comprises a drill bit and a drill rod, and the drill bit and the drill rod are detachably connected; the outer wall of drilling rod is connected with fixed lug, the top surface of drill bit is equipped with the confession the CN215169754U Environment-friendly punching pile machine

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