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1、复合土工膜防渗施工工艺原理及施工工艺流程中英文翻译Compo und geomembra ne an ti-seepage con struct ion process prin ciple and con struct ion process in both Chin ese and En glish tran slati on1、复合土工膜施工工艺原理1, composite geomembra ne con struct ion tech no logy prin ciple复合土工膜是一种土工合成材料，具有较好的防渗效果，一方面将复合土工膜铺设在需要进行防渗处理堤段坡面上，利用自身的连
2、接形成一整体坡面防渗体，另一方面使坡面铺设的复合土工膜的下部与坡脚垂直防渗墙进行连接，使复合土工膜与坡脚防渗墙形成一整体，另外，复合土工膜上部与压顶路肩梁相接，使堤基垂直防渗墙，坡面复合土工膜，堤顶压顶砼形成一个整体完全圭寸闭的防渗体系。Composite geomembra ne is a kind of geos yn thetic materials, good an ti-seepage effect, on the one hand, the composite geomembrane laid side slope in some seepage prevention treatm
3、ent is required to use their connections to form a whole slope seepage prevention body, on the other hand to make the bottom of the slope surface of composite geomembrane laid connection with slope toe vertical cut-off wall, composite geomembrane and slope foot cut-off wall to form a whole, in addit
4、i on, composite geomembra ne upside and cop ing shoulder beam, the vertical cut-off wall in the dam foun dati on and slope of composite geomembra ne, new cop ing completely closed an ti-seepage con crete forming a whole system.2、复合土工膜施工工艺流程2, composite geomembra ne con struct ion process在复合土工膜铺设前，大堤
5、迎水面土方填筑及坡面修整完毕，坡面平整度、压实度均达到设计要求并经监理工程师验收合格后方可进行复合土工膜的铺设，本工程复合土工膜铺设的工艺流程如下图2:Before composite geomembrane laying, levee meet the earthwork filling and slope surface dress ing, slope surface rough ness, degree of compact ion shall meet the desig n requireme nts and the supervision engineer acceptanee
6、rear can for composite geomembrane laid, composite geomembra ne laid the tech no logical process of this project are as follows in figure 2:三、复合土工膜施工方法Three, composite geomembra ne con structi on method1、施工准备1, the con struct ion preparati on1) 复合土工膜材料质量检测本工程所用复合土工膜为两布一膜针刺复合土工膜，是国家经贸委公布重点土工合成材料生产企业)
7、;"> 企业，湖南湘维有限公司生产产品，使用前委托南京水利科学研究院实验中心对产品的各项技术指标进行检测，各项指标均符合标准规定和设计要求。1) composite geomembra ne materials quality test ing this project used composite geomembra ne to two cloth membrane composite geomembrane, is published by the state economic and trade commissi on key geos yn thetic materia
8、ls product ion en terprises'); "> en terprise, hunan hunan d co., LTD production product, entrusted by nanjing before use water conservancy scienee research institute technical indicators of experimental center of product testing, the indicators are in line with the prescribed sta ndards
9、 and desig n requireme nts.2) 堤坡的清理、平整场地，清除一切尖角杂物，欠坡回填夯实、富坡削坡挖平后经监理验 收合格，为复合土工膜铺设提供工作面。2) clea n up of dike slope and flat field, remove all sharp corn ers, owe rich backfill compact ion of the slope, slope cutt ing slope dig flat after supervisi on accepta nee, for composite geomembra ne layi ng fa
10、ce.3) 土工膜场内拼接为了施工方便，保证拼接质量，复合土工膜应尽量采用宽幅，减少现 场拼接量，施工前应根据复合土工膜幅宽、现场长度需要，在厂内剪裁，并拼接成合符要求 尺寸的块体，卷在钢管上，人工搬运到工作面铺设。3) geomembra ne field joining together in order to convenient for con struct ion, en sure the quality of stitch ing, composite geomembra ne breadth should be adopted as far as possible, decrea
11、se the sce ne splici ng, before con struct ion should accord ing to the requireme nts of the composite geomembra ne width, le ngth, cut in the factory, and spliced into the required size of the block, to roll on the steel pipe, manual han dli ng to the face.2、复合土工膜的铺设2, the lay ing of composite geom
12、embra ne1) 复合土工膜的铺设方法1) the composite geomembra ne laid method复合土工膜铺设分齿槽坡脚平台铺设、坡面铺设两个部分，齿槽坡脚平台铺设结构形式见大样图A，该项工程应在堤基垂直防渗墙施工结束，齿槽开挖符合要求，坡脚平台验收合格后进行。铺设方法：沿防渗墙轴线方向水平滚铺。坡面铺设在坡面验收合格后，从堤顶向堤脚 沿垂直于堤轴线方向缓慢展铺到坡脚处与坡脚平台铺设丁字形相接。Composite geomembrane laid the cogging, slope, slope toe platform laid laid two parts,
13、tooth trough slope toe platform lay ing structure see details A, the project should be at the end of the vertical cut-off wall con structi on in the dam foun dati on, the tooth groove excavati on con forms to the requirements, after the acceptanee of the slope toe platform. Laid method: along the ax
14、is direct ion of horiz on tal cut-off wall. Upon the accepta nee of spread in slope, slope toe from new slowly along the directio n perpe ndicular to the axis of the dike exhibiti on shop to the slope and slope toe platform laid into the crowd.2) 复合土工膜的铺设技术要求2) composite geomembra ne lay ing tech no
15、 logy requireme nts铺设应在干燥和暖天气进行，为了便于拼接，防止应力集中，复合土工膜铺设采用波浪形松 驰方式，富余度约为1.5%，摊开后及时拉平，拉开，要求复合土工膜与坡面吻合平整，无突起褶皱，施工人员应穿平底布鞋或软胶鞋，严禁穿钉鞋，以免踩坏土工膜，施工时如发现土工膜损坏，应及时修补。Laid shall be carried out in a dry and warm weather, i n order to facilitate splici ng, preve nt stress concen trati on, composite geomembra ne lay
16、 ing adopts wavy relaxati on method, degree of surplus is about 1.5%, spread out in a timely manner after flattening, and required composite geomembrane with slope surface level off, without ridges fold, construction personnel should wear cloth shoes with flat or soft rubber shoes, it is forbidde n
17、to wear cleats, in order to avoid stepp ing on geomembra ne, if discover geomembra ne duri ng con struct ion, should be repaired in a timely manner.3、复合土工膜的拼接3, composite geomembra ne splici ng 1）本项目采用两布一膜复合土工膜，焊接采用热熔焊法施工，拼接包括土工布的缝接、土 工膜的焊接，为了确保焊接质量，焊接应尽量在厂内进行，但为了施工方便，复合土工膜幅 宽又不应太宽，必须在施工现场拼接。1) this
18、 project USES two cloth a membrane composite geomembrane, heat welding method is used for the weldi ng con struct ion, stitch ing in cludi ng geotextile, geomembra ne weldi ng seam, in order to en sure the weldi ng quality, weldi ng should be carried out with in the factory, but for the sake of conv
19、enient con structi on, composite geomembra ne and width should not be too wide, in the con struct ion site must be joining together.2) 复合土工膜焊接质量的好坏是复合土工膜防渗性能成败的关键，所以务必做好土工膜的 焊接，确保焊接质量，因此，土工膜焊接应由生产厂家派专业技术人员到现场操作，指导，培训，采用土工膜专用焊接设备进行。本工程土工膜焊接采用ZPR210V型热合土工膜焊接机，土工布采用手提式封包机缝接，2) composite geomembrane wel
20、ding quality is key to the success or failure of the composite geomembra ne an ti-seepage performa nee, so be sure to prepare geomembra ne weldi ng, en sure the welding quality, therefore, geomembrane welding should be by the manufacturer to send professional and technical personnel to the site oper
21、ation, guidanee, training, and USES the geomembra ne is special weldi ng equipme nt. The geomembra ne weld ing engin eeri ng adopts ZPR - 210 v bounding geomembrane welding machine, geotextile used portable sealing machine stitched,3) 本项目两布一膜复合土工膜焊接流程：3) this project two cloth membra ne composite ge
22、omembra ne weldi ng process:4) 焊接工艺：第一幅土工膜铺好后，将需焊接的边翻叠(约60cm宽)，第二幅反向铺在第一幅膜上，调整两幅膜焊接边缘走向，使之搭接10cm。4) weld ing process: the first picture of geomembra ne lay ing good after, will n eed to weldi ng the side fold (about 60 cm wide), second picture reverse shop on the first film, adjust the welding edge
23、towards the two membra ne, lap 10 cm.5) 焊接前用电吹风吹去膜面上的砂子、泥土等脏物，保证膜面干净，在焊接部分的底下垫一条长木板，以便焊机在平整的基面上行走，保证焊接质量，正式焊接前，根据施工气温进行试焊，确定行走速度和施焊温度，一般掌握行走速度 1.52.5m/s，施焊温度为220300 0C。拼接焊缝两条，每条宽 10mm，两条焊缝间留有10mm的空腔，用此空腔检查其焊缝质量。5) before weldi ng with a hair dryer to film on the surface of the sand, mud and other di
24、rt, assure film surface is clea n, the weldi ng part of the pad un der a long board, so that the weldi ng on the flat base, en sure weldi ng quality, weldi ng before formally, accord ing to the trial weldi ng con struct ion temperature, and determ ine the walk ing speed and weld ing temperature, ave
25、rage walki ng speed of 1.5 1.5 m/s, weldi ng temperature is 220 300 0 c. Splice weld two, each of the 10 mm wide, with 10 mm cavity betwee n two weld, using this cavity to check the weldi ng quality.4、复合土工膜的锚固4, composite geomembra ne in the an chorage1)复合土工膜的锚固分上部与路肩梁的锚固，下部与垂直防渗墙的锚固，复合土工膜上部锚固采用在路肩梁
26、基础底部嵌固足够长度复合土工膜，现浇砼压盖形式，其结构形式见大样图B。复合土工膜下部锚固与垂直防渗墙外侧，在射水造墙施工结束后向墙顶修整到设计高程，然后在防渗墙临河侧沿轴线方向挖宽X深 20cmx 30cm的一条沟槽，使射水造墙外壁形成一个30cm深垂直平面，铺设复合土工膜时将复合土工膜锚固在该垂直平面上，在沟槽 内防渗顶及坡脚平台浇砼盖板，其结构形式见大样图A。1) composite geomembra ne an chor points at the top of the shoulder beam with an chor, bottom and vertical cut-off wa
27、ll an chor, composite geomembra ne upper an chor used in shoulder beam at the bottom of the base built in eno ugh len gth of composite geomembra ne, cast-i n-place con crete gla nd form, its structure form B to see details. Compo und geomembra ne lower an chorage and vertical cut-off wall lateral, a
28、t the end of the water jet made wall con structi on to the wall fin ishi ng to the desig n elevati on, the n along the axis direct ion in linhe lateral diaphragm wall dig deep wide x 20 cm by 30 cm of A groove, the water jet made wall to outer wall forming A vertical pla ne, 30 cm deep composite geo
29、membra ne to composite geomembra ne laid an chor in the vertical pla ne, at the top of the groove in the seepage con trol and slope toe platform casti ng con crete cover plate, its structure form to see details.2) 锚固的技术要求锚固好坏，关系到能不能组成一个封闭防渗体，下部锚固应待此段防渗墙施工完毕，并经监理验收批准后方能进行。上部锚固待下部锚固，坡面复合土工膜铺设，拼接，保护层施工
30、后浇砼完成。2) by an chor the tech ni cal requireme nts of good or bad, can relati on ship to form a closed seepage preve nti on body, the lower an chor should be for the period of the con structi on is completed, and approved by the supervisi on accepta nee rear can perform. Upper an chorage for lower an
31、 chorage,slope surface composite geomembra ne laid, splic ing, after pouri ng the con crete protectivelayercon struct ion completed.5、上垫层及预制块铺设5, the cushi on layer and the precast block is laid复合土工膜的上面均匀铺设 5cm卵石垫层，找平拍实后铺设10cm砼预制块。坡面复合土工 膜铺设合格后应及时铺上垫层压盖，防止风吹及复合土工膜暴晒老化，同时做好砼预制块铺砌，加强复合土工膜的保护。Composite
32、 geomembra ne evenly laid 5 cm above the pebble bed, laid 10 cm after leveli ng take solid con crete precast blocks. Slope qualified compo und geomembra ne laid should be in a timely manner after the cushi on on the shop gla nd, preve nt wind and composite geomembra ne in solate age ing, make con cr
33、ete precast block paveme nt at the same time, stre ngthe n the protect ion of the composite geomembra ne.复合土工膜施工质量控制包括进场原材料质量控制、施工操作过程控制、施工完质量检测。Compo und geomembra ne arena con struct ion quality con trol in cludi ng raw materials quality con trol, con struct ion process con trol, quality in specti
34、 on.1、原材料质量控制进场的复合土工膜必须有厂家提供的合格证书，性能及特性指标和使用说明书。否则不能用于工程施工，本工程所用的是两布一膜针刺复合土工膜，设计复合土工膜技术参数为：设计克重900g/m2，膜厚0.5mm，垂直渗透系数 < 1012cm/s。复合土工膜进场后，随机抽取复合土工膜对其性能指标委托南京水利科学研究院实验中心进行复测，复测结果全部合格。1, raw material quality control approach of compound geomembrane must have the factory provide certificate of quali
35、ty, performa nee and characteristic parameters and operat ing in struct ions. Otherwise can not be used in engin eeri ng con struct ion, the project is used in the two cloth a membra ne n eedle-p un ched composite geomembra ne, composite geomembra ne desig n parameters as follows: desig n, weighi ng
36、 900 g/m2, film thick ness 0.5 mm, vertical permeability coefficie nt,10-12 cm/s or less. Composite geomembra ne approach, ran dom composite geomembra ne to its performanee indicators to entrust nanjing national institute of water conservancy scientific experime nt cen ter for repetiti on, repetiti
37、on measureme nt results are all qualified.2、施工操作过程控制复合土工膜铺设前编好施工组织设计，说明铺设方法和技术措施,经监理批准后方使用，施工人员均应穿平底布鞋或软胶底鞋进行铺设，严禁穿钉鞋以防踩坏土工膜，做到随铺随压，复合土工膜铺设要与保护层铺设相协调。拼接中复合土工膜焊缝质量是拼接关键，施工中尤其要加强接缝检测，检测方法有一目测法、二现场检漏。目测法： 复合土工膜焊接好后，观察有无漏接，接缝是否烫损，有无褶皱，是否拼接均匀等。现场检 漏 采用充气法对全部焊缝进行检测，焊缝为双条，两条之间留有约10mm的空腔，将待测段两端封死，插入气针，充气至0.
38、05mpa0.20mpa,静观0.5min，观察真空表，如气压无下降，表明不漏，焊缝合格，否则要查找原因及时修补。复合土工膜上下部锚固是重要的环节，严格按施工图纸并经监理验收后施工。2, con struct ion process con trol composite geomembra ne laid before make up con structi on organization design, specification laid method and technical measures, approved by the supervis ing rear use, con st
39、ructi on pers onnel shall wear cloth shoes with flat or soft rubber soled shoes were laid, it is forbidde n to wear spiked shoes trampled geomembra ne in case, do it with the shop along with the pressure, composite geomembra ne laid to coord in ated with protective layer laying. Composite geomembra
40、ne splici ng in the weld quality is key to joining together, especiallyin the con struct ion to stre ngthe n the joint detect ion, the detecti on method has a visual method, the sec ond leakage on site. Visual method: compo und geomembra ne weldi ng, observe whether miss, whether joint iron loss, pr
41、esenee of fold, whether stitching uniform, etc. On-site detection, leak detect ion by the method of aerati on, all weld seam for the article, with about 10 mm betwee n each two cavity, and will be sealed on both ends of the sect ion un der test, insert gas n eedle, in flatable to 0.05 mpa to 0.20 mp
42、a, 0.5 min wait and observe the vacuum table, such as the pressure falls no, that does n't leak, weld qualificati on,or to find reas ons for repair in time. Compo undgeomembrane upper anchorage is an important link, in strict accordanee with construction draw ings and the supervisi on of accepta
43、 nee after con struct ion.3、 施工完质量检测。施工完质量检测主要是抽样检测，施工每约1000m2取一试件，做拉伸强度试验，要求强度不低于母材的80%，且试样断裂不得在接缝处，否则接缝质量不合格。整个工程共使用复合土工膜45000m2左右，现场共抽取焊缝试样43组，作拉伸强度试验，经检测合格率100%，焊缝质量合格。3, con structi on quality in spect ion. Con struct ion fini shed sampli ng test quality detect ion is mainly, each of about 1000
44、 m2 in a specime n, ten sile stre ngth test, the required stre ngth of less tha n 80% of the pare nt metal, and the sample fracture, may not be in the joint seam quality are not qualified. The whole project using the composite geomembra ne is around 45000 m2, the scene a total weld sample groups, 43 for tensile strength test, after testing qualified rate 100%, and the quality of weld is good.