Ningbo Rail Transit Honglian Station diaphragm wall works
Engineering Service
Underground Diaphragm Wall Construction
地下连续墙施工
Underground diaphragm wall construction services for urban rail transit stations, deep excavations and retaining structures, supported by hydraulic diaphragm wall grab equipment and foundation engineering experience.
面向城市轨道交通车站、深基坑及围护结构的地下连续墙施工服务，配备液压连续墙抓斗设备并具备基础工程施工经验。
Supplied by Zhejiang Etone Specialized Foundation Engineering Co., Ltd.
Overview
Service overview
ETONE provides underground diaphragm wall construction services for urban rail transit, deep excavation and underground structure projects. The service is suitable for metro stations, deep foundation pits, underground enclosure systems and urban sites requiring controlled trench depth, alignment and wall quality.
The company’s equipment resources include 10+ sets of hydraulic grabs / double-wheel milling equipment. ETONE has project experience in diaphragm walls with large wall depths, rock-socketed wall panels, pile-wall combined panels, segmented cage lifting and complex hoisting organization.
易通特基可为城市轨道交通、深基坑及地下结构项目提供地下连续墙施工服务。该服务适用于地铁车站、深基坑、地下围护体系以及对成槽深度、墙体垂直度和墙体质量控制要求较高的城市施工场景。
公司拥有液压抓斗/双轮铣10余台套，具备较大墙深、入岩幅、桩墙结合幅、钢筋笼分节吊装及复杂吊装组织等地下连续墙工程经验。
Scope
Service scope
Key components that may be provided for relevant engineering scenarios.
- Hydraulic grab and double-wheel milling equipment resources support diaphragm wall works
- Applicable to deep walls and urban constrained sites
- Experience covers wall panels requiring rock entry and pile-wall combination
- Can support diaphragm wall verticality, trench stability and panel quality control
- Experience includes segmented steel cage lifting and heavy lifting organization
- Suitable for urban rail transit, deep excavation and anchor foundation projects
- 液压抓斗及双轮铣设备资源可支撑地下连续墙施工
- 适用于较大墙深及城市受限场地条件
- 具备入岩幅及桩墙结合幅施工经验
- 可围绕地下连续墙垂直度、槽壁稳定及墙幅质量开展控制
- 具备钢筋笼分节吊装及重型吊装组织经验
- 适用于城市轨道交通、深基坑及锚碇基础等项目
Scenarios
Applicable project scenarios
Typical project conditions where this offering may be relevant.
- Metro station diaphragm walls
- Urban rail transit station enclosure works
- Deep excavation retaining structures
- Rock-socketed diaphragm wall panels
- Pile-wall combined panels
- Urban underground structure projects
- 地铁车站地下连续墙
- 城市轨道交通车站围护工程
- 深基坑围护结构
- 入岩地下连续墙幅
- 桩墙结合幅
- 城市地下结构工程
Offering Details
Technical Details & Applications
- ETONE provides underground diaphragm wall construction services for urban rail transit, power pipe galleries, bridge anchorages, deep excavations and other underground structures. The company can organize diaphragm wall works involving deep panels, rock-socketed panels, pile-wall combined panels, heavy reinforcement cage lifting and grab-drilling combined methods under complex urban and geological conditions.
- Representative cases include Ningbo Rail Transit Honglian Station diaphragm wall works and Ningbo Zhilan Bridge Power Pipe Gallery diaphragm wall works. In the Ningbo Rail Transit Honglian Station project, the diaphragm wall system included 233 panels with a wall thickness of 1.0 m and a wall depth of 55 m. Some panels were socketed into rock, and pile-wall combined panels were also adopted. The project used a grab-drilling combined method to deal with tuff layers with relatively high rock strength.
- In the Ningbo Zhilan Bridge Power Pipe Gallery project, the diaphragm wall reached 1.2 m in thickness and 63 m in depth, using I-beam joints and a three-grab trenching method. The reinforcement cages were lifted in sections, requiring coordination of heavy lifting equipment and strict control of cage fabrication, hoisting sequence and trench stability.
- ETONE’s diaphragm wall experience also includes bridge anchorage foundation works such as the south and north anchorages of Panggong Bridge in Xiangyang, Hubei, as well as deep diaphragm wall construction for Tianjin Metro Line 7. These projects demonstrate the company’s capability in deep trenching, special-shaped diaphragm wall structures, hard ground conditions and urban underground infrastructure.
技术说明与应用案例
- 易通特基可为城市轨道交通、电力管廊、桥梁锚碇、深基坑及其他地下结构提供地下连续墙施工服务。公司具备在复杂城市环境和复杂地质条件下实施深墙、入岩墙、桩墙结合幅、重型钢筋笼吊装及抓钻组合工法的能力。
- 代表案例包括宁波市轨道交通红联站地下连续墙工程和宁波市芝兰桥电力管廊地下连续墙工程。在宁波轨道交通红联站项目中，地下连续墙共233幅，墙厚1.0 m，墙深55 m，部分墙幅入岩，并设置桩墙结合幅。项目采用抓钻组合工法，应对强风化凝灰岩及中风化凝灰岩等岩层条件。
- 在宁波芝兰桥电力管廊项目中，地下连续墙墙厚1.2 m、墙深63 m，采用工字钢接头和三抓成槽法。钢筋笼分节吊装，对重型吊装设备配置、钢筋笼制作、吊装顺序及槽壁稳定控制提出了较高要求。
- 公司地下连续墙工程经验还包括湖北襄阳庞公大桥南、北锚碇工程，以及天津轨道交通7号线深地下连续墙工程，体现了公司在深成槽、异形地下连续墙结构、硬质地层及城市地下基础设施施工中的综合能力。
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