凿除

针对既有线桥梁的工程改造施工技术，主要介绍了在保证施工质量和安全的前提下移出既有梁、架设D型便梁、凿除既有桥台、顶进框构桥的施工工艺。

The construction technology of removing existing bridge beam , establishing D-shaped beam , cutting existing abutment , pushing box bridge under quality and safety control are introduced .

地铁盾构隧道穿越桩基的凿除技术

Chiseling Off for Segmental Tunneling for Metro Works through the Pile Foundation

地连墙桩头快速凿除施工方法

Method to Rapidly Chiseling off Pile Heads of Diaphragm Walls for No.32 and No.31 Berths

通过补喷或凿除使初期支护表面平整圆顺。

The surface of initial support shall be flatted and rounded by repair spraying or chiseling .

手术凿除阻力骨配合固定正畸治疗埋伏尖牙的临床研究

Clinical Research of Treatment of Impacted Canine by Removing Bone Resistance by Operation in Addition to Fixed Orthodontics

然而过去的几年，在日内瓦的谈判一直在凿除有分歧的领域。

Yet for the past year or so trade negotiators in Geneva have been chiselling away at the areas of disagreement .

结果：38例患者骨烧伤创面未凿除坏死骨质，延期植皮后创面恢复良好。

Result : 38 patients with this disease were treated with MEBO without removing necrotic bone substance and were subjected to delayed skin grafting .

方法：2000年1月&2002年1月收治电烧伤后颅骨暴露及头皮缺损6例，采用皮肤软组织扩张器行头皮扩张及颅骨外板凿除一次性修复颅骨和头皮缺损；

Method : 6 cases with defect of the scalp and necrosis of skull , who were treated by skin soft-tissue expander from 2000 to 2002 in our hospital , were reported .

从桩位的确定、沉管深度、混凝土质量、钢筋笼振入长度、桩身混凝土凿除等几个方面，提出了提高锤击管灌注桩施工质量的一些建议。

For quality of construction of cast-in-place pile , some advices , including locating of pile , depth of pile-sinking , quality of concrete , length of reinforcing cage and others , are put forward in this paper .

20例骨外露创面（直径>2cm）经钻骨引髓或凿除骨皮质肉芽形成后行自体皮移植得到一期修复。

20 cases with bone exposure larger than 2 cm in diameter were subjected to bone drilling to introduce marrow or removal of bone cortex and auto-skin grafting after granulation was formed . The wounds repaired by 1st intention .

目前国内对此类建筑的修复加固主要方法是凿除原有酥松混凝土保护层，对露出的生锈钢筋进行表面处理，然后用高一强度等级的修补砂浆进行加固。

Currently the main method in China of reinforcing such building is to chisel the loose protective layer of concrete , and do surface treatment to the rusty rebar , then reinforce with the high strength grade mortar . However , this method does not perform well .

结合广州地铁五号线盾构区间隧道穿越高架桥的工程案例，介绍了穿越桩基的凿除施工中竖井施工、横通道施工、被托换桩凿除施工、回填施工等具体方法。

In connection with the segmental tunneling across a viaduct in the project of Guangzhou Metro Line 5 , introduction is made of the chiseling off works through the pile foundation , including the construction of the shaft , transverse passage , chiseling off the underpinned pile , backfilling , etc.