Xov xwm

Peb-seem geonet yog ib yam khoom siv feem ntau siv rau hauv kev tiv thaiv kab nqes hav thiab kev kho dua tshiab ntawm ecological. Yog li, nws cov txheej txheem tsim kho yog dab tsi? 1. Kev npaj lub hauv paus ua ntej kev tsim kho Kev soj ntsuam geological thiab kev kho kab nqes hav yuav tsum tau ua ua ntej kev tsim kho. Nws yog qhov tsim nyog...Nyeem ntxiv»

Geocomposite drainage network Nws yog ib yam khoom siv uas siv ntau hauv cov haujlwm loj. Yog li, nws yuav tsum khaws cia li cas ntawm qhov chaw tsim kho? 1. Qhov chaw khaws cia yuav tsum tau xaiv rau hauv thaj chaw uas muaj av siab, qhuav thiab dej ntws zoo. Yuav tiv thaiv dej nag kom tsis txhob sib sau ua ke thiab ua rau lub net dej ntws ntub, ...Nyeem ntxiv»

Hauv kev tsim kho vaj tse, qhov teeb meem ntawm cov av nplaum yeej ib txwm tseem ceeb heev. Peb-seem sib xyaw ua ke cov dej ntws network Nws yog cov khoom siv ntws dej uas siv ntau hauv cov haujlwm loj. Yog li, nws puas tuaj yeem tiv thaiv cov av nplaum thiab thaiv? 1. Kev tsim kho tshiab ntawm cov qauv peb-seem sib xyaw ua ke cov dej ntws network Puas yog sib xyaw...Nyeem ntxiv»

Hauv cov chaw pov tseg, kev kho thiab tso tawm cov dej khib nyiab yog qhov tseem ceeb heev. Cov dej khib nyiab sib xyaw ua ke yog cov khoom siv dej khib nyiab uas feem ntau siv hauv cov chaw pov tseg. Yog li, nws puas tuaj yeem sib cuag ncaj qha nrog cov dej khib nyiab? 1. Cov yam ntxwv tseem ceeb ntawm cov dej khib nyiab sib xyaw ua ke Cov dej khib nyiab sib xyaw ua ke yog ua...Nyeem ntxiv»

Hauv kev tsim kho cov chaw thauj mus los niaj hnub no, kev nyab xeeb thiab kev ruaj khov ntawm txoj kev yog qhov tseem ceeb heev. Cov dej ntws sib xyaw ua ke yog cov khoom siv feem ntau siv hauv txoj kev, yog li nws puas tuaj yeem ua rau lub neej ntawm txoj kev ntev dua? 1. Cov yam ntxwv tseem ceeb ntawm cov dej ntws sib xyaw ua ke Cov dej ntws sib xyaw ua ke...Nyeem ntxiv»

Cov dej ntws sib xyaw ua ke peb-seem yog cov khoom siv feem ntau siv hauv cov chaw pov tseg, subgrade, qhov av, phab ntsa khaws cia thiab lwm yam haujlwm, uas tuaj yeem daws cov teeb meem ntawm cov dej hauv av thiab kev ruaj khov ntawm av. Yog li, nws puas yuav raug kev poob thaum siv? 1. Kev sib raug zoo ntawm cov khoom siv kom raug...Nyeem ntxiv»

Kev xaiv cov ntaub ntawv ntws dej yog qhov tseem ceeb heev kom ntseeg tau tias cov qauv kev tsim kho vaj tse ruaj khov thiab txuas ntxiv lawv lub neej kev pabcuam. Peb-seem sib xyaw ua ke ntws dej network Thiab lim dej yog ob qho khoom siv ntws dej feem ntau. Yog li, qhov sib txawv ntawm ob qho no yog dab tsi? Peb-seem Co...Nyeem ntxiv»

Kev tso thiab vuam cov geomembranes ntawm qhov sib tshuam ntawm qhov ntxhab yog cov xwm txheej tshwj xeeb. Cov diaphragms hauv cov qhov tsis sib xws, xws li cov ces kaum, yuav tsum tau txiav rau hauv "inverted trapezoid" nrog qhov dav me me rau sab saud thiab qhov dav me me rau sab qis. Lub ntiv taw ntawm qhov ntxhab ntawm qhov sib tshuam ntawm t...Nyeem ntxiv»

Ua ntej yuav tso geomembrane, siv tes los teeb tsa lub qhov dej thiab hauv qab ntawm lub pas dej, teeb lub qhov dej kom haum rau lub qhov uas tau tsim, thiab tshem cov khoom ntse. Siv cov av nplaum zoo li pob zeb tsis muaj pob zeb, cov cag nyom, thiab lwm yam uas tuab li 20 cm. Tom qab ua tib zoo tshuaj xyuas, ces muab geomembrane tso rau. Yuav kom t...Nyeem ntxiv»

Rau txhua qhov project tiv thaiv kev seepage thiab cov projects, HDPE Qhov zoo ntawm geomembranes yeej ib txwm yog qhov teeb meem loj heev, tab sis ntawm kev ua lag luam HDPE Muaj ntau yam khoom geomembrane, uas yog qhov xwm txheej tsis zoo rau ob tus neeg yuav khoom thiab cov chaw tsim khoom, yog li qhov kev daws teeb meem HDPE Qhov qu ...Nyeem ntxiv»

1, Yog tias koj yuav ib lub geomembrane sib xyaw rau kev vuam tshwj xeeb, thov qhia rau tus neeg tsim khoom ua ntej tias cov txheej txheem ntug flicking yog qhov xav tau sai, uas yog, thaum lub geotextile thiab geomembrane yog kub yaj bonded, ob lub ntug yuav raug khaws cia tom qab dov. Kwv yees li 15-20 cm tsis muaj nplaum ...Nyeem ntxiv»

Qhov zoo thiab qhov tsis zoo ntawm kev daws qhov chaw ntawm bentonite waterproof pam tam sim ntawd ua rau muaj kev phom sij rau qhov zoo thiab tus nqi ntawm cov khoom. Yog li ntawd, muaj ntau qhov chaw uas yuav tsum tau them sai sai thaum daws qhov chaw ntawm lub hauv paus. Nov yog cov ntsiab lus tseem ceeb: Bentonite waterproof b...Nyeem ntxiv»