中 / EN

欢迎来到基础工程网

会员尊享特权VIP

新闻

按分类浏览

技术新闻

Introduction to the Full-Casing Full-Slewing Drilling Rig Construction Method

　　The full-casing full-slewing drilling rig is a new type of drilling rig that integrates full hydraulic power and transmission with combined mechanical-electrical-hydraulic control. This type of rig originated abroad; domestically, through Dunan Heavy Industry and Zhejiang University

2016-04-14
Hydraulic Circuit Design for a Fully Hydraulic Percussion-Rotary Drilling Rig

Abstract: This paper presents the overall hydraulic circuit of a fully hydraulic percussion-rotary drilling rig, describes the selection of each part of the circuit, and analyzes the principles of the overall circuit.

2016-04-12
Impact Drill Boring Construction for Bridge Pile Foundations - Installing the Casing

① Before drilling, install a sturdy, watertight hole casing at the opening. The casing is generally fabricated from 4–8 mm thick steel plate, with an inner diameter 40 cm larger than the pile diameter, ensuring the casing remains cylindrical and does not deform.

2016-04-12
Rotary Drilling Pile Construction Technology in Railway Stations

[Abstract] At present, in domestic railway construction using rotary drilling piles, various technical problems occur frequently due to the strong influence of various subjective and objective factors, which must draw the attention of construction units.

2016-04-11
The Role and Requirements of Support Structure Systems for Building Foundation Pit Slope Protection / Foundation Pit Engineering in Beijing

Beijing Pengcheng Taihua Civil Engineering Co. is a company with registered capital of 1 million RMB. Since 1998, the company has specialized in building foundation pit piling, mountain slope protection, municipal road engineering, foundation and substructure engineering, tunnel engineering, mountain slope protection, slope anchoring engineering, anchor-shotcrete support, and other integrated engineering construction teams covering research, design, production, and construction. The company has accumulated extensive construction experience and cultivated a group of highly qualified workers. It also possesses a large amount of equipment and personnel, providing clients with strong construction capability and favorable profit margins. It has participated in the construction of anchor-shotcrete support for the foundations of many Olympic projects. Beijing foundation pit support company, Beijing foundation engineering company, Beijing piling company, Beijing mountain slope protection company. The most fundamental role of foundation pit support engineering is to serve the foundation pit.

2016-03-31
Static Load Testing Method for Pile Foundation Integrity Testing

The static load test simulates the actual stress conditions of a pile by applying loads to the pile top in stages. By observing the displacement and settlement of the pile top, the bearing capacity of a single pile is determined according to specific criteria.

2016-03-30
Qingshan Conference Vigorously Promotes Rotary Drilling "Divine Needle" Technical Method

In March, spring flowers bloom in the river city, and the divine needle secures the Qingshan bridge foundation. To further promote the construction experience and applied technology of super-large bridge engineering, a rotary drilling rig construction event hosted by China Railway Major Bridge Engineering Group was recently held.

2016-03-28
New Technology: Prestressed Concrete Pipe Roof Method for Trenchless Construction of Underground Spaces

In the Keio Line underground grade-separation reconstruction project in Japan, at the railway crossing section near Chofu Station, the PCR (prestressed concrete pipe roof) method was adopted beneath the tracks to preserve the tracks in their original condition.

2016-03-17
Application of Post-Grouting Method for Bored Cast-in-Place Piles in Pile Tip Foundation Reinforcement

1. Applicable geological conditions. The construction method is applicable when the bearing stratum of the cast-in-place pile should be a gravel layer, with a gravel content of more than 50%, and the filling soil and gravel are uncemented or only slightly cemented.

2016-03-17
Good News for Continuous Flight Auger Drills: Jet-Grouting Expander Screw Soil-Displacement Cast-in-Place Pile Technology

By Zhou Mei. Foundation Engineering Magazine and China Deep Foundation Engineering Network News, March 10, 2016 — Liaoning Bosente Geotechnical Engineering Co., Ltd. and Hebei Shuangxing Pile Machinery Co., Ltd. jointly formed...

2016-03-16
Pan-China Group's "Complex Underground Space Single-Pile Multi-Anchor Support System" Wins National Patent and Beijing Municipal Construction Method Designation

Recently, the Beijing Municipal Commission of Housing and Urban-Rural Development officially announced the 2015 list of Beijing municipal-level construction methods. The "Complex Underground Space Single-Pile Multi-Anchor Support System" completed by the First Geotechnical Survey Engineering Company of Pan-China Group

2016-03-11
Top-Down Construction Method

　　Top-Down Construction Method　　Introduction　　The top-down construction technique is currently the most advanced construction method for high-rise buildings.　　1. Principle　　First, along the axis of the building's basement or around it

2016-03-11

热门排行

Hot News

关于基础工程网

基础工程网（WWW.JCGCW.COM），是由北京金山基础工程咨询公司运营的基础工程行业专业信息服务平台。

新闻商城会议专家读图杂志下载

电话热线

010-64694966

其他联系方式：18612335855 / 18612335955

公司地址：北京市朝阳区和平街街道北三环东路30号

邮箱：zgjcgc@vip.163.com

Copyright © 2010-2024 基础工程网 增值业务经营许可证编号：京B2-20211842

TOP