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新建垃圾填埋場土工材料施工策劃即土工膜施工方法詳解
新建垃圾填埋場土工材料施工策劃：
垃圾場施工，是一項較為困難的工程，要想更率的完成垃圾場施工。必須要有的施工部署策劃方案。泰安瑞恒作為少數(shù)擁有特種防滲資質(zhì)證書的環(huán)境工程廠家，現(xiàn)為您分享一般的垃圾場施工部署方案。
首先，采取大小臨時工程及土石方工程同時并舉，進場后為土石方工程提前開工做好三件事:一是抓好控制線復(fù)測工作，將全場中心線及高程閉合，確定構(gòu)筑物位置，設(shè)置測點及臨時測點；其次，是抓好場內(nèi)的清理、清除與掘除工作；三是抓好臨設(shè)（臨時便道與臨時房屋）的建設(shè)。
再者，采用多頭平行作業(yè)，交叉作業(yè)，流水作業(yè)，充分利用工時及勞動空間。并且要合理安排垃圾場施工順序，形成網(wǎng)絡(luò)計劃管理，實施日檢、月檢，保證形象進度的控制。
垃圾場施工方法和技巧詳解
垃圾場施工方法和技巧詳解:既然施工部署方案已經(jīng)確定，那么，重要的自然就是施工方法和技巧了。
1、坐標(biāo)點放樣。用全站儀按施工圖紙坐標(biāo)放出坐標(biāo)點，然后對原地貌進行高程測量，對斷面高程進行復(fù)核，并報監(jiān)理復(fù)核簽證。并根據(jù)施工效率列出垃圾場施工中測量時間。
2、庫區(qū)清表及場地平整對整個庫區(qū)工程范圍內(nèi)的表層植被土、所有植被及其他可能影響地基土質(zhì)量的物料進行清理，并根據(jù)施工效率列出垃圾場施工中物料清理時間。
3.庫區(qū)土方開挖、回填、筑壩：對庫區(qū)土方采用二次開挖方式，次先挖至分區(qū)堤壩標(biāo)高高度，開挖的同時完成堤壩碾壓回填，自三區(qū)和四區(qū)同時開挖。挖至標(biāo)高后重新放線開挖庫底。并根據(jù)施工效率列出垃圾場施工中開挖、回填、筑壩時間。
4、水平防滲工程施工:根據(jù)完成的基準(zhǔn)面情況及時報監(jiān)理驗收，具備鋪設(shè)條件的及時鋪設(shè)防滲材料。并根據(jù)施工效率列出垃圾場施工中鋪設(shè)防滲材料時間。
防滲工程中土工膜施工前鋪設(shè)準(zhǔn)備
防滲工程中土工膜施工前鋪設(shè)準(zhǔn)備
1. 鋪設(shè)防滲土工膜前應(yīng)由土建工程相應(yīng)的合格驗收證明文件。
2. 防滲土工膜裁切之前，應(yīng)該準(zhǔn)確丈量其相關(guān)尺寸，然后按實際裁切，一般不宜按圖示尺寸裁切，應(yīng)逐片編號，詳細記錄在表格上。
3. 鋪設(shè)HDPE土工膜時應(yīng)力求焊縫少，在保證質(zhì)量的前提下，盡量節(jié)約原材料。同時也容易保證質(zhì)量。
4. 膜與膜之間接縫的搭接寬度一般不小于10cm，通常就使焊縫排列方向平行于坡度，即沿坡度方向排列。
5. 通常在拐角及畸形地段，應(yīng)是接縫長度盡量減短。除特殊要求外，在坡度大于1：6的斜坡上距頂坡或應(yīng)力集中區(qū)域1.5米范圍內(nèi)，盡量不設(shè)焊縫。
6. 防滲土工膜施工過程中在鋪設(shè)時，應(yīng)避免產(chǎn)生人為褶皺，溫度較低時，應(yīng)盡量拉緊，鋪平。
7. 防滲土工膜鋪設(shè)完成后，應(yīng)盡量減少在膜面上行走、搬動工具等，凡能對HDPE膜造成危害的物件，均不應(yīng)放在膜上或攜帶在膜上行走，以免對膜造成意外損傷。
The new landfill geotechnical materials in construction planning:
Garbage dump construction, is one of the more difficult works, to more efficient complete landfill construction.Must have excellent construction deployment plan. Tai'an Ruiheng as minority has special imperviousqualification certificate of environmental engineering manufacturers, is for you to share the general garbage dump construction plan.
First of all, take the size of temporary works and earth works simultaneously, after entering the arena for the earth works started ahead of doing three things: one is to do a good job of the line of control survey work, will be the center line and elevation closing, determine the building location, a set of permanent and temporarymeasuring point measured points; secondly, is to do a good job of the clean, clear with the digging work; threeis to do a good job of the temporary ( temporary road and the construction of temporary housing ).
Furthermore, using multiple parallel operation, crossover operation, production, make full use of time andspace of work. And reasonable arrangements for landfill construction sequence, form a network plan management, implementation of Japan seized, seized, ensure that the image of progress control.
Garbage dump construction methods and techniques.
Garbage dump construction methods and techniques detailed: since the construction plans have been identified, then, one of the most important natural is the construction methods and skills.
1, coordinate lofting. According to the construction drawings with total station coordinate released coordinates,then the original landform height measurement, the section elevation for review, and submit to supervisioncheck visa. According to the construction efficiency of landfill construction measurement time list.
In 2, clearing and leveling the ground on the entire reservoir projects within the scope of the surface vegetation soil, vegetation and other all may affect the quality of foundation soil material for cleaning, and according to the construction efficiency list landfill materials during the construction of cleaning time.
Earth excavation, backfilling, 3 reservoir dam in the reservoir area by two times: Earthwork excavation, the firstdig to partition the dam height, the dam roller compacted backfill excavation at the same time, since the threearea and the four area at the same time excavation. Dig to elevation to Actinomyces excavation bottom.According to the construction efficiency list dump excavation, backfilling, dam construction time.
4, horizontal seepage control engineering construction: according to the datum and the times supervisionacceptance, with laying condition timely paved impervious material. According to the construction efficiencylist dump construction middle seepage proof material time.
Impervious geomembrane laying preparation before construction
Impervious geomembrane laying preparation before construction
1 impermeable geomembrane before the civil engineering a corresponding qualification and acceptance certificate.
2 geomembrane to cut before, should measure the correlation dimension, then according to the actual cutting,the general should not be to press the cutting size, should one piece number, recorded in detail in specialform.
3 laying HDPE geomembrane should strive to weld the least, under the premise of guaranteeing quality, as far as possible to save raw material. It is also easy to ensure quality.
4 membrane and membrane joints between lap width not less than 10cm, usually make welds arrangement direction parallel to the maximum slope, along the slope direction.
Normally in the corner and deformity of 5 lots, should be the length of the joint to reduce short. Except special requirement, the slope is greater than 1:6 slope away from the top of slope and the stress concentration area within 1.5 meters, as far as possible without weld.
6 geomembrane during laying, should avoid artificial fold, when the temperature is low, should be taut, paving.
7 laying geomembrance completed, should be minimized in the membrane surface running, move tool, that can HDPE membrane damage objects, shall not put in the film or carried in the film walk, so as to avoidaccidental injury of membrane.
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