TRD工法施工技术

TRDTRDTRDTRDTRDTRDTRDTRD工法施工技术工法施工技术工法施工技术工法施工技术工法施工技术工法施工技术工法施工技术工法施工技术TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod等厚度水泥土搅拌连续墙工法等厚度水泥土搅拌连续墙工法等厚度水泥土搅拌连续墙工法等厚度水泥土搅拌连续墙工法TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethodTTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod一、一、一、一、TRDTRDTRDTRD工法概述工法概述工法概述工法概述二、施工工艺二、施工工艺二、施工工艺二、施工工艺三、质量控制三、质量控制三、质量控制三、质量控制四、工程实例四、工程实例四、工程实例四、工程实例总总总总目目目目录录录录TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod■TRDTRDTRDTRD工法简介工法简介工法简介工法简介■■■■TRDTRDTRDTRD工法适用范围工法适用范围工法适用范围工法适用范围■■■■TRDTRDTRDTRD工法特点工法特点工法特点工法特点■■■■TRDTRDTRDTRD工法原理工法原理工法原理工法原理一、一、一、一、TRDTRDTRDTRD工法概述工法概述工法概述工法概述TRDTRDTRDTRDTRDTRDTRDTRD工法简介工法简介工法简介工法简介工法简介工法简介工法简介工法简介�TRDTRDTRDTRD工法（TrenchcuttingRe-mixingDeepwallmethodTrenchcuttingRe-mixingDeepwallmethodTrenchcuttingRe-mixingDeepwallmethodTrenchcuttingRe-mixingDeepwallmethod），等厚度水泥土地下连续墙工法，由日本神户制钢所1993199319931993年开发的一种利用锯链式切割箱连续施工等厚度水泥土地下连续墙施工技术。�在一般的砂土层中施工的最大深度已达56.7m56.7m56.7m56.7m，壁厚550mm550mm550mm550mm～850mm850mm850mm850mm，也适用于卵砾石、块石等各类地层。�TRDTRDTRDTRD工法与目前传统的单轴或多轴螺旋钻孔机所形成的柱列式水泥土地下连续墙工法不同。TRDTRDTRDTRD工法首先将链锯型切削刀具插入地基，掘削至墙体设计深度，然后注入固化剂，与原位土体混合，并持续横向掘削、搅拌，水平推进，构筑成高品质的水泥土搅拌连续墙。TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethodTRDTRDTRDTRD－－－－Ⅰ型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图TRDTRDTRDTRD－－－－Ⅱ型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethodTRDTRDTRDTRD－－－－Ⅲ型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图型（标准型）施工机械图TRDTRDTRDTRDTRDTRDTRDTRD工法适用范围工法适用范围工法适用范围工法适用范围工法适用范围工法适用范围工法适用范围工法适用范围TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod�TRDTRDTRDTRD工法机具成墙厚度、深度视设备的型号不同而异。�TRD-TRD-TRD-TRD-Ⅰ型：成墙厚度450~550mm450~550mm450~550mm450~550mm，深度20m20m20m20m，可实现河岸护坡30303030°°°°～45454545°°°°俯角成墙施工；�TRD-TRD-TRD-TRD-Ⅱ型：成墙厚度550m~700mm550m~700mm550m~700mm550m~700mm，深度35m35m35m35m；�TRD-TRD-TRD-TRD-Ⅲ型：成墙厚度550~850mm550~850mm550~850mm550~850mm，深度60m60m60m60m。�TRDTRDTRDTRD工法不仅可以适用于NNNN值小于100100100100击的软、硬质土层，还可以在直径小于100mm100mm100mm100mm的卵砾石和单轴抗压强度≤5MPa5MPa5MPa5MPa泥岩、强风化基岩中施工。TRDTRDTRDTRDTRDTRDTRDTRD工法特点工法特点工法特点工法特点工法特点工法特点工法特点工法特点(1)(1)(1)(1)施工深度大，最大深度可达施工深度大，最大深度可达施工深度大，最大深度可达施工深度大，最大深度可达60m60m60m60mTTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(2)(2)(2)(2)适应地层广，对硬质地层（硬土、砂卵砾石、软岩石等）具有良好的适应地层广，对硬质地层（硬土、砂卵砾石、软岩石等）具有良好的适应地层广，对硬质地层（硬土、砂卵砾石、软岩石等）具有良好的适应地层广，对硬质地层（硬土、砂卵砾石、软岩石等）具有良好的挖掘性能挖掘性能挖掘性能挖掘性能TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(3)(3)(3)(3)成墙品质好，在墙体深度方向上，可保证均匀的水泥土质量，强度提成墙品质好，在墙体深度方向上，可保证均匀的水泥土质量，强度提成墙品质好，在墙体深度方向上，可保证均匀的水泥土质量，强度提成墙品质好，在墙体深度方向上，可保证均匀的水泥土质量，强度提高，离散性小，截水性能好高，离散性小，截水性能好高，离散性小，截水性能好高，离散性小，截水性能好TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(4)(4)(4)(4)高安全性，设备高度仅高安全性，设备高度仅高安全性，设备高度仅高安全性，设备高度仅10.1m10.1m10.1m10.1m，重心低，稳定性好，适用于高度有限制，重心低，稳定性好，适用于高度有限制，重心低，稳定性好，适用于高度有限制，重心低，稳定性好，适用于高度有限制的场所的场所的场所的场所TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(5)(5)(5)(5)连续成墙，接缝较少，墙体等厚，连续成墙，接缝较少，墙体等厚，连续成墙，接缝较少，墙体等厚，连续成墙，接缝较少，墙体等厚，HHHH型钢可以最佳间距设置型钢可以最佳间距设置型钢可以最佳间距设置型钢可以最佳间距设置TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethodTRDTRDTRDTRDTRDTRDTRDTRD工法原理工法原理工法原理工法原理工法原理工法原理工法原理工法原理�通过动力箱液压马达驱动链锯式切割箱，分段连接钻至预定深度，水平横向挖掘推进，同时在切割箱底部注入固化液，使其与原位土体强制混合搅拌，形成的等厚度水泥土搅拌墙，也可插入型钢以增加搅拌墙的刚度和强度。�该工法将水泥土搅拌墙的搅拌方式由传统的垂直轴螺旋钻杆水平分层搅拌，改变为水平轴锯链式切割箱沿墙深垂直整体搅拌。TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(1)TRD(1)TRD(1)TRD(1)TRD工法原理图工法原理图工法原理图工法原理图TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(2)TRD(2)TRD(2)TRD(2)TRD工法配套设备及施工布置图工法配套设备及施工布置图工法配套设备及施工布置图工法配套设备及施工布置图TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethodeepwallmethodeepwallmethod(3)TRD(3)TRD(3)TRD(3)TRD工法挖掘机构工法挖掘机构工法挖掘机构工法挖掘机构TTTTrenchcuttingrenchcuttingrenchcuttingrenchcuttingRRRRe-mixinge-mixinge-mixinge-mixingDDDDeepwallmethodeepwallmethod