Txhim kho qhov chaw siab tshaj nrog geogrid: thev naus laus zis thiab cov lus pom zoo

Cov txheej txheem:

Txhim kho qhov chaw siab tshaj nrog geogrid: thev naus laus zis thiab cov lus pom zoo
Txhim kho qhov chaw siab tshaj nrog geogrid: thev naus laus zis thiab cov lus pom zoo

Video: Txhim kho qhov chaw siab tshaj nrog geogrid: thev naus laus zis thiab cov lus pom zoo

Video: Txhim kho qhov chaw siab tshaj nrog geogrid: thev naus laus zis thiab cov lus pom zoo
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Cov khoom sib xyaw thiab cov khoom siv hluavtaws tau siv dav hauv kev tsim toj roob hauv pes, architecture thiab kev tsim kho feem ntau. Lawv organically nkag mus rau hauv ob qho tib si ntuj thiab khoom tsim, ua cov dej num ntawm kev ntxiv dag zog thiab kho ntau yam ntaub ntawv. Ib qho ntawm cov khoom siv ntau tshaj plaws ntawm hom no tuaj yeem hu ua geogrid rau kev ntxiv dag zog rau txoj kab nqes toj siab.

Dab tsi yog geogrid?

tiaj tus geogrid
tiaj tus geogrid

Txog tsis ntev los no, cov cuab yeej engineering rau kev daws teeb meem ntawm kev sib cais lossis ntxiv dag zog rau hauv av qhib tau tsuas yog txwv rau kev hloov pauv ntawm geotextiles. Tsawg kawg, qhov no yog qhov xwm txheej hauv qhov chaw ntawm kev pabcuam loj ntawm cov chaw rau ntau lub hom phiaj. Kev txhim kho hauv kev tsim cov geosynthetics tau ua rau nws muaj peev xwm nthuav dav ntau yam ntawm cov haujlwm engineering ntawm hom no, uas tau tsim qhov kev thov rau kev tsim cov ergonomic reservoir nrog cov qauv yooj yim tab sis muaj zog. Nov yog qhov koj tuaj yeem xav txog geogrid rauntxiv dag zog rau txoj kab nqes, uas ua haujlwm ntawm kev txhawb nqa sab nraud ntawm cov av, gravel thiab xuab zeb. Hom hluavtaws grating no yog ua los ntawm cov yas strips, uas yog fastened ua ke los ntawm vuam, tsim ib tug cellular qauv. Thaum lub sijhawm ua haujlwm tom qab tso, cov khoom siv no tsim kev tiv thaiv kev tiv thaiv kev tiv thaiv ntawm cov nqes hav thiab embankments nyob rau hauv tej yam kev mob ntawm txoj kab nqes siab steepness. Cov hauj lwm zoo li no muaj feem xyuam rau kev tsim kho txoj kev, txuas hniav, kev tsheb ciav hlau, kev hla kev loj, thiab lwm yam.

Volumetric geogrids

Geogrid qauv
Geogrid qauv

Hom nrov tshaj plaws ntawm geogrid, vim yog cov qauv peb sab ntawm nws cov hlwb. Lub cheeb tsam ntawm cov txheej txheej, nyob ntawm seb daim ntawv tso tawm hauv briquettes, nws txawv ntawm 10 txog 25 m2. Raws li cov khoom siv ntawm kev tsim khoom, lub volumetric geogrid rau ntxiv dag zog rau qhov chaw yog tsim los ntawm cov ntaub ntawv raw:

  • Polymers. Pheej yig thiab siv tau hluavtaws hluavtaws, uas tso cai rau koj los tsim cov khoom hauv qhov me me, tab sis muaj zog muaj zog. Ob qho tib si khoom thiab perforated tapes yog tsim los ntawm cov polymers, uas ua rau nws muaj peev xwm muab ib tug kua dej.
  • Textile npuag. Qhov kev daws teeb meem zoo tshaj plaws rau zoning txheej, txo qhov cuam tshuam tsis zoo ntawm Frost heaving thiab reinforcing slopes.
  • pob zeb. Ib hom tshwj xeeb ntawm geogrid, ua tsaug uas ib qho kev sib koom ua ke ntawm kev txhawb nqa ntawm thaj chaw teeb meem raug tsim. Raws li ib feem ntawm cov qauv pob zeb, cov geosynthetics saum toj no tuaj yeem siv tau.

Paj geogrids

Pav ca yas geogrid
Pav ca yas geogrid

Tseem yog ib txoj kab sib txawv ntawm geotextile, tab sis nrog cov duab plaub los yog square cells. Yog li ntawd, qhov kev txhawb nqa ntawm qhov chaw siab tshaj nrog cov khoom siv no tsis tshua muaj ua, tab sis nrog nws cov kev pab, yam tsis tau nce qhov siab ntawm toj roob hauv pes, cov dej num hauv qab no tuaj yeem ua tau zoo dua:

  • Txhim kho cov txheej txheem txheej txheem.
  • Uniform faib ntawm dynamic thiab zoo li qub loads hla thaj tsam. Hauv lwm lo lus, kev siv dag zog tsis ncaj ntawm txoj kab nqes nrog geogrid nrog cov qauv tiaj tus yog siv.
  • Nyob qhov muaj peev xwm ntawm warp.
  • Txo kev pheej hmoo ntawm rutting thiab poob ntawm txoj kev.
  • Tseem khaws cov pob zeb thiab pob zeb rau ntawm txheej txheej txheej txheej txheej txheej txheem uas yuav tsum tau ua yam tsis tso rau hauv av.

Ib lub tiaj tus geogrid feem ntau siv qhov twg, nyob rau hauv txoj cai, kev siv lub ntim ntim ntxiv rau honeycombs tsis raug cai lossis technically tsis yooj yim sua. Qhov no tuaj yeem yog kev tsav tsheb, paving, txhim kho cov av hnyav, thiab lwm yam.

Kev thev naus laus zis ntawm geogrid slope reinforcement

Geogrid reinforcement
Geogrid reinforcement

Cov tshuab geogrid hauv qab no yog siv ncaj qha rau kev txhawb nqa cov toj roob hauv pes nyuaj hauv av:

  • Kev ntsuas thiab kev npaj ntawm thaj chaw lub hom phiaj tau ua. Rau qhov no, ntsuas cov cuab yeej siv, nrog rau cov khoom siv phau ntawv zoo li qib thiab qib.
  • Nyob rau hauv cov ntaub ntawv ntawm qhov chaw pov tseg, compaction yog yuav tsum tau. Qhov teeb meem no daws tau los ntawm phau ntawv yob lossis lub phaj vibrating.
  • Cov khoom yog dov tawm ntawm qhov chaw cim thiab npaj. Raws li cov lus qhia kom ntxiv dag zog rau txoj kab nqes nrog cov ntawv geogrids, tsis hais lub kaum sab xis ntawm txoj kab nqes, sab sauv ntawm txheej yuav tsum ntes lub dav hlau kab rov tav yam tsawg kawg 50 cm.
  • Cov khoom raug kho nrog cov fasteners tshwj xeeb raws li qhov kev pom zoo quab yuam rau ib rooj plaub.
  • Kev ntsuas kev tswj tau raug ua thiab ntsuas lub cev ntawm cov geogrid tau raug ntsuas.
  • Kev tsim cov honeycombs yog ntim nrog cov khoom xoob.

Us kho cov ntaub ntawv

Geogrid tso tuaj yeem ua tiav ob qho tib si thiab ntau qhov kev txiav txim. Ntawd yog, nws tsis yog qhov tsim nyog rau ib lub xaib kom siv zog kom txwv rau ib qho module - qhov ua tau rau kev sib txuas thiab tsim cov seams muaj zog tshem tawm cov teeb meem ntawm kev rhuav tshem ib qho kev txhawb nqa ib leeg. Lwm qhov yog tias txhua qhov module yuav tsum tau kho ntawm cov npoo hauv ib qho kev txiav txim sib cais, tsis hais seb lub module uas nyob ib sab yog mated nrog nws. Qhov no yuav tsum yog qhov pib thaum txiav txim siab tus naj npawb ntawm fasteners.

Geogrid tsim
Geogrid tsim

installation ntawm geogrids kom ntxiv dag zog tuaj yeem nqa tawm los ntawm ntau yam kev ua haujlwm, tab sis cov dowels hauv lub tshuab xaws, thiab cov hlau lub cuab yeej siv tau ntau dua. Fastening yog nqa tawm ob qho tib si raws ntug thiab raws lub hauv paus axis. Ntxiv mus, nws tsis pom zoo kom muab cov clamps rau hauv txoj kab ncaj nraim. Qhov kev txhawb zog loj tshaj plaws yuav raug muab los ntawm kev teeb tsa ntawm kev teeb tsa ntawm cov fasteners hauv cov qauv checkerboard. Rau txuas tus kheej modules rau ib leegTsis tas li ntawd, pneumatic stapler yog siv. Raws li kev suav nruab nrab, nws yuav siv li 2,000 fasteners los kho 1 km2 ntawm ib qho geogrid.

Cov khoom siv twg los siv ua cov khoom siv?

Tom qab txhim kho geframework, koj tuaj yeem pib sau nws cov hlwb nrog cov khoom siv ntau. Hauv lub peev xwm no, ob qho tib si av thiab xuab zeb-gravel sib tov tuaj yeem ua. Kev xaiv yog txiav txim siab los ntawm qhov yuav tsum tau ua kom muaj zog thiab zoo li cov txheej txheem. Thiab yog hais tias nyob rau hauv cov ntaub ntawv ntawm txoj kev embankments, kev ntxiv dag zog rau cov nqes hav nrog ib tug geogrid yog tsis nyob rau hauv tag nrho cov tsom rau cov hauj lwm zoo nkauj thiab muaj peev xwm yuav supplemented nrog cov pob zeb, ces nyob rau hauv toj roob hauv pes tsim, ntawm qhov tsis tooj, ib tug dej infrastructure yog tsim rau watering nroj tsuag.. Nyob rau hauv cov ntaub ntawv no, sau yog nqa tawm siv fertile av los yog ib tug sib tov ntawm xuab zeb-peat, tom qab uas cov noob ntawm ornamental nroj tsuag los yog nyom yog cog.

Txhim kho txoj kab nqes nrog lub volumetric geogrid
Txhim kho txoj kab nqes nrog lub volumetric geogrid

Npaj rau ntxiv dag zog rau qhov chaw tiv thaiv dej nyab

Hom kev yooj yim tshaj plaws ntawm txoj kab nqes hav uas muaj ob txoj kev txhawb nqa tuaj yeem siv tau:

  • Cov txheej txheem tsim nyog rau cov av xoob thiab av nplaum. Lub geogrid yog nteg raws tag nrho txoj kab nqes kom ntxiv dag zog rau txoj kab nqes nrog kev kho tom ntej. Nyob rau sab sauv ntawm ciam teb ntawm cov modules yuav tsum mus nyob rau hauv lub pob zeb nres, uas yuav tiv thaiv kev yaig ntawm txoj kab nqes thaum lub sij hawm los nag hnyav.
  • Los ntawm sab saum toj thiab hauv qab, geoframe npog nrog infill yuav tsum npog tag nrho txoj kab nqes. Nyob rau tib lub sij hawm, ib tug hermetic ditch yog npaj nyob rau hauv lub cheeb tsam qis, thauj cov dej khib nyiab mus rau qhov ze tshaj plawsdej sau los yog kav dej.

Technique for reinforcing flooded slopes

Txoj kev dej nyab tsis tu ncua yog raug rau lawv tus kheej yaig thiab kev puas tsuaj, thiab deformation ntawm cov txheej txheej sab nrauv. Hauv qhov no, kev ntsuas ntxiv yuav tsum tau ua los tiv thaiv geframework. Ua ntej, tsuas yog ib daim phiaj peb-seem yuav tsum tau siv, thiab qhov thib ob, cov khoom siv tau zoo yuav tsum tau siv los ua ib qho muab tub lim - piv txwv li, crushed granite pob zeb nrog lub cheeb ntawm 20-40 mm. Yog hais tias xav tau ib tug intensive txaus ntawm cov dej, ces nws yog ntshaw kom sau lub nto ntawm grate nrog ib tug pob zeb tov. Hauv qab txheej txheej nws tus kheej, txheej tiv thaiv yog nteg nrog rov qab pom raws li tib lub geotextile.

Zaj lus

Txhim kho qhov chaw siab tshaj nrog geogrid
Txhim kho qhov chaw siab tshaj nrog geogrid

Tawm tsam keeb kwm yav dhau los ntawm cov txheej txheem nquag hauv nroog thiab kev nrawm nrawm ntawm lub neej hauv nroog, kev txaus siab rau cov khoom ntuj tsim nrog txhua tus cwj pwm ntawm kev tsim toj roob hauv pes loj hlob. Nrog rau qhov no, yuav tsum tau daws cov teeb meem cuam tshuam txog kev tiv thaiv cov av loj ntawm cov dej ntxuav thiab yaig. Txhawm rau tiv thaiv qhov tshwm sim tsis zoo ntawm qhov tshwm sim ntawm qhov chaw siab tshaj, geogrids yog siv. Qhov no yog ib qho kev daws teeb meem yooj yim thiab zoo, uas yog qhov txaus nyiam heev ntawm cov nqi nyiaj txiag. Piv txwv li, Geospan geogrid rau ntxiv dag zog rau txoj kab nqes hauv cov qauv pib nqi txog 150 rubles / m 2. Qhov no yog ib tug qauv nrog peb-dimensional honeycomb qauv raws li polyethylene tapes, lub honeycombs ntawm uas yuav tsum tau sau nrog crushed pob zeb, av thiab xuab zeb. Kuj tseem muaj ntau qhov kev hloov kho, suav nrogtsim los rau kev lag luam hauv qhov kub ntawm -60 txog 70 ° C.

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