土方碾壓填筑施工作業(yè)指導(dǎo)書.doc
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土方碾壓填筑施工作業(yè)指導(dǎo)書
QX-ZY-2002-31
1、主題內(nèi)容及適用范圍
本作業(yè)指導(dǎo)書對水利水電工程中土方碾壓填筑的施工工藝進(jìn)行了規(guī)范。適用于土壩,堤防等碾壓土方填筑工程施工。
2、 引用標(biāo)準(zhǔn)
SDJ213-83 《碾壓式土石壩施工技術(shù)規(guī)范》
SL260-98 《堤防工程施工規(guī)范》
SL38-92 《水利水電基本建設(shè)工程單元工程質(zhì)量等級評定標(biāo)準(zhǔn)(七)》
SL239-1999 《堤防工程施工質(zhì)量評定與驗收規(guī)程》
3 、施工準(zhǔn)備
3.1對合同及設(shè)計文件進(jìn)行深入具體條件編好施工組織設(shè)計。
3.2做好各項技術(shù)準(zhǔn)備,并做好“四通一平”臨建工程,各種設(shè)備和器材的準(zhǔn)備工作。導(dǎo)流及引排水工程已完成。
3.3測量放樣工作已驗收合格,對主要測點(diǎn)已埋設(shè)牢固的標(biāo)架、基石、壩(堤)身放樣已按設(shè)計預(yù)留沉降量。
3.4對土料場進(jìn)行現(xiàn)場核查,貯量應(yīng)大于需用量的1.5-2.5倍。土質(zhì)及天然含水量符合設(shè)計要求。
3.5施式機(jī)械、試驗設(shè)備到位,已做防滲體土料碾壓試驗,基礎(chǔ)清理已完成并經(jīng)過驗收。
4 、施工操作要求
4.1土料開挖
4.1.1料場開挖前應(yīng)劃定開挖范圍,清除樹根亂石及妨礙施
Hangzhou Hongsheng Consulting
Compacted earth embankment construction work instructions
QX-ZY-2002-31
1, the subject content and application
The work instructions on Water Resources and Hydropower Engineering Construction Earthwork Filling rolling process was standardized. Applied to dam, dike construction and other rolling earthwork.
2, reference standards
SDJ213-83 "rolled earth dam construction specification"
SL260-98 "Embankment Construction Standards"
SL38-92 "Water quality of the project capital works unit grading criteria (7)"
SL239-1999 "dike construction quality assessment and acceptance of"
3, construction preparation
3.1 The contract and design documents for in-depth series of specific conditions of good construction organization design.
3.2 do all the technical preparations, and do a good job, "Stone a flat" Temporary Works, a variety of devices and equipment preparations. Diversion and the introduction of drainage works have been completed.
3.3 Surveying setting has been inspected and accepted, the main measuring points have been laid a solid frame, foundation, dam (dike) lofting body has been set aside by the design settlement.
3.4-site verification of soil aggregates, reserves should be larger than 1.5-2.5 times the required amount. Soil and natural water content meet the design requirements.
3.5 mechanical facilities, test equipment in place, has done Impervious soil material rolling test, based on clean-up has been completed and after acceptance.
4, construction operational requirements
4.1 Excavation of earth material
4.1.1 pit excavation before excavation designated area, remove the roots and prevent facilities rocks
