Hollow Core Slabs: Qhov Ntev Thiab Qhov Hnyav Ntawm Hollow Core Slabs. Yam Khoom Twg Lawv Tuaj Yeem Tiv Taus? Lawv Muaj Peev Xwm Ua Tau

Cov txheej txheem:

Video: Hollow Core Slabs: Qhov Ntev Thiab Qhov Hnyav Ntawm Hollow Core Slabs. Yam Khoom Twg Lawv Tuaj Yeem Tiv Taus? Lawv Muaj Peev Xwm Ua Tau

Video: Hollow Core Slabs: Qhov Ntev Thiab Qhov Hnyav Ntawm Hollow Core Slabs. Yam Khoom Twg Lawv Tuaj Yeem Tiv Taus? Lawv Muaj Peev Xwm Ua Tau
Video: Dej Nag Qhia Thaj Txiv Neej Nyiam Nyiam Rau Poj Niam Tau Kawm 2024, Tej zaum
Hollow Core Slabs: Qhov Ntev Thiab Qhov Hnyav Ntawm Hollow Core Slabs. Yam Khoom Twg Lawv Tuaj Yeem Tiv Taus? Lawv Muaj Peev Xwm Ua Tau
Hollow Core Slabs: Qhov Ntev Thiab Qhov Hnyav Ntawm Hollow Core Slabs. Yam Khoom Twg Lawv Tuaj Yeem Tiv Taus? Lawv Muaj Peev Xwm Ua Tau
Anonim

Cov pob zeb hauv pem teb yog cov txheej txheem ua vaj tsev muaj zog, uas pom nws daim ntawv thov thaum tsim kho lub tsev ntiag tug lossis chaw tsim khoom. Lawv tau siv los cais cov naj npawb ntawm cov tsev hauv av, cov thawv saum toj ntawm cov tsev nyob, cov pej xeem thiab cov tsev tsim khoom. Cov qauv no yog tus yam ntxwv zoo los ntawm tus lej, uas muaj peev xwm ua tau zoo thiab tus nqi qis tuaj yeem ua qhov txawv.

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Peculiarities

Hollow core slab yog ua los ntawm cov pob zeb muaj zog ua ke nrog cov hlau zoo txhawb nqa uas tuaj yeem ua rau muaj kev nyuaj siab ua ntej. Qhov kev tsim no muaj cov duab ntawm lub duab plaub, nws tau nruab nrog los ntawm huab cua puag ncig chav. Cov yam ntxwv no txiav txim siab qhov pom kev ntawm cov tub ntxhais hollow slabs, yog li lawv tuaj yeem txo qhov hnyav tag nrho ntawm lub hauv paus thiab phab ntsa. Tsiv lawv siv cov txheej txheem tsis ua rau tsis xis nyob, vim tias muaj cov loops tshwj xeeb rau qhov no.

Kev tsim kho cov pob zeb hollow yog sib zog dua li ntawm cov khoom tawv, tab sis tib lub sijhawm lawv lub zog thiab kev ntseeg tau nyob ntawm qib siab. Lub xub ntiag ntawm huab cua kab noj hniav hauv cov khoom no pab txhawb rau cua sov thiab suab rwb thaiv tsev. Kev tsim cov slabs ntawm hom no tau ua tiav hauv ob txoj hauv kev:

  • tsis muaj daim ntawv, uas cuam tshuam nrog kev siv cov rammers kev co;
  • nchuav cov txheej txheem hlau nyob ruaj ruaj nrog cov sib xyaw ua ke, tom qab uas cov qauv nchuav raug xa mus rau kev co kev sib zog thiab kho cua sov.
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Vim tias muaj kab noj hniav nyob rau hauv daim ntawv ntawm lub tog raj kheej, kev ua haujlwm hauv qab no ntawm cov phaj tau zoo dua:

  • nce zog;
  • txhim kho cov rwb thaiv tsev;
  • ua kom yooj yim cov txheej txheem rau kev sib txuas lus los ntawm cov kws ua haujlwm;
  • txo qhov cuam tshuam ntawm cov suab sab nraud.
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Qhov zoo thiab qhov tsis zoo

Thaum tsim qauv, koj xav txuag tsis yog nyiaj txiag nkaus xwb, tab sis kuj yog koj lub sijhawm, thaum tswj hwm cov qauv zoo. Txhawm rau kom cov qauv tsim muaj kev ntseeg tau thiab nyab xeeb, koj yuav tsum tsis txhob txuag nyiaj. Qhov kev xaiv zoo tshaj plaws rau cov pob zeb hauv av yog cov qauv hollow, uas yog tus yam ntxwv hauv qab no:

  • lub zog, kev nyab xeeb thiab kev pab lub neej ntev;
  • ya raws thiab kua ua haujlwm;
  • hluav taws tiv taus txog 3 teev;
  • simplicity thiab ceev ntawm installation;
  • qhov muaj peev xwm siv nws los ua qhov kev xaiv rau phab ntsa uas muaj lub nra hnyav.
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Yog tias peb piv cov pob zeb thiab cov pob zeb hollow, tom kawg muaj qhov zoo hauv qab no:

  • qib kub thiab suab rwb thaiv tsev vim muaj cua nyob hauv;
  • kev yooj yim ntawm kev sib txuas lus thiab, vim li ntawd, txo sijhawm rau kev ua tiav cov txheej txheem;
  • muaj peev xwm siv nyob hauv thaj av seismic;
  • qib siab ntawm kev muaj peev xwm;
  • yooj yim ntawm kev thauj mus los thiab teeb tsa;
  • nce hauv qhov muaj txiaj ntsig zoo ntawm cov qauv raug teeb tsa;
  • hauv pem teb tuaj yeem thauj khoom tam sim tom qab teeb tsa yam tsis muaj cov qhob cib;
  • tus nqi qis, uas yog raws li kev siv qis ntawm kev ua vaj tsev thiab txhawb nqa.
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Muaj kev xyaum tsis muaj qhov tsis zoo ntawm cov qauv hauv pem teb, tab sis cov yam ntxwv hauv qab no tseem tuaj yeem raug ntaus nqi rau qhov tsis zoo:

  • muaj kev txwv, uas nyob hauv qhov tseeb tias niaj hnub no cov tuam txhab me tau koom nrog lawv cov khoom lag luam;
  • thaum txhim kho cov phaj ntawm hom no, nws yog qhov yuav tsum tau siv cov cuab yeej hnyav tshwj xeeb.
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Yam ntxwv

Nws tus nqi yuav nyob ntawm qhov loj ntawm qhov hollow core slab, ntxiv rau, tsis nyob hauv daim ntawv ntawm qhov ntev, dav, qhov hnyav raug coj mus rau hauv tus account.

Cov qauv ntawm hom no tuaj yeem ua tus yam ntxwv hauv qab no:

  • slab ntev - 1.68-12 m;
  • dav - 0.98-1.48 m;
  • tuab ntawm cov qauv - 22 cm;
  • txoj kab uas hla ntawm lub dav hlau ntawm lub tog raj kheej - 11, 4-15, 9 cm;
  • qib qhob - M200 -M400;
  • tus nqi ntawm cov pob zeb thiab kev txhawb nqa siv hauv kev tsim cov hauv paus hauv pem teb yav tom ntej;
  • qhov hnyav - 0.75-5 tons;
  • qhov ntsuas ntawm kev suav suav - 800 kg / cm2.
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Nws tsim nyog nco ntsoov tias thaum tsim cov slab nrog voids, thev naus laus zis ntawm nws kev tsim khoom yuav tsum tau ua kom pom tseeb. Tsuas yog hauv txoj hauv kev no koj tuaj yeem paub tseeb ntawm kev ntseeg tau ntawm cov khoom lag luam nrog kev pab uas tsim los ntawm lub hauv paus cuam tshuam.

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Ntau yam kev tsim

PC tus yam ntxwv los ntawm tus txheej txheem tuab ntawm 22 cm, muaj los ntawm cov kab noj hniav ntawm cov duab cylindrical. Cov pob zeb ua los ntawm cov pob zeb txhawb ntxiv, uas muaj chav kawm tsawg kawg B15.

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PB - Cov khoom lag luam no tau txais los ntawm kev siv cov txheej txheem uas tsis yog txheej txheem siv lub tshuab thauj khoom. Hauv kev tsim cov qauv no, siv txoj hauv kev tshwj xeeb ntawm kev txhawb zog, nrog nws txoj kev pab, txiav tawm tshwm sim yam tsis poob lub zog. Txij li cov nplais muaj lub tiaj tiaj, qhov ua tiav tom ntej ntawm cov plag tsev thiab qab nthab yog yooj yim dua.

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PNO - lub teeb hnyav ntawm cov qauv uas tau tsim los ntawm txoj kev tsis muaj txheej txheem. Qhov sib txawv ntawm hom yav dhau los tuaj yeem hu ua qhov tuab me dua ntawm 0.16 meters.

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HB - hom sab hauv tsev, ua los ntawm B40 chav kawm txuas ntxiv ua vaj tsev, nrog kev txhawb zog hauv ib kab, uas yog qhov muaj zog.

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NVK yog ib hom sab hauv uas muaj ob kab kev txhawb zog thiab tuab ntawm 26.5 centimeters.

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Hauv kev tsim cov txheej txheem hauv pem teb, kev txhawb nqa muaj zog tau ua rau muaj kev nyuaj siab ntawm cov ntsiab lus uas qhov nruj tshaj plaws yuav tshwm sim. Tom qab dhau los ntawm txoj kev kho mob no, kev ua kom lub hauv paus ruaj khov ua rau ruaj khov thiab ruaj khov. Cov yam ntxwv ntawm cov khoom siv no muaj lub npe "phaj uas muaj zog ".

Cov txheej txheem qhov ntev ntawm 0.22 m tuab ncig cov hollow-core slabs (PC, PB, NV) thiab 0.16 m (PNO) yog qhov tshwj xeeb los ntawm qhov ntev ntawm 980-8990 mm, uas tau sau tseg hauv qhov cim ua 10-90. Qhov kev ncua deb ntawm qhov nyob ib sab yog 10-20 centimeters. Qhov dav ntawm cov khoom lag luam puv loj yog 990 (10), 1190 (12), 1490 (15) mm. Yog li ntawd tus neeg siv khoom tsis tas yuav txiav cov khoom lag luam, siv cov ntsiab lus ntxiv, qhov dav uas yog 500 (5), 600 (6), 800 (8), 900 (9), 940 (9) mm.

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PBs yog tus yam ntxwv ntev txog 12 meters. Yog tias qhov ntsuas no ntau dua 9 meters, qhov tuab yuav tsum sib haum rau 22 centimeters, lossis qhov muaj peev xwm nqa ntawm cov slab yuav tsawg dua. Cov khoom lag luam ntawm NVK, NVKU, 4NVK tuaj yeem ua tus yam ntxwv ntawm qhov ntev uas tsis haum rau tus qauv. Qhov nrug nruab nrab ntawm qhov khoob khoob tau muab tso rau siv cov cuab yeej ntsuas uas tau siv hauv lub hoobkas. Raws li GOST, qhov kev ncua deb yuav tsum tsawg dua cov ntsuas hauv qab no:

  • rau cov phaj 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK thiab 4PK - 185;
  • rau cov qauv ntawm hom 5PK - 235 mm;
  • 6PC - 233 hli;
  • 7PC - 139 hli.

Tus naj npawb pom zoo ntawm qhov khoob hauv qhov tsim no yog 6 daim.

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Npav

Txhua hom hollow core slab tau nruab nrog cov cim uas ua tau raws cov qauv zoo. Ua tsaug rau qhov no, cov neeg siv khoom thiab tus tsim qauv tuaj yeem txiav txim siab qhov xav tau. Qhov kawg ntawm tus qauv, tus neeg siv khoom tuaj yeem pom cov cim, hnub tsim khoom, qhov hnyav thiab OTK lub thwj cim.

Hauv cov cim tus qauv, muaj ntau tsab ntawv uas teev cov koob, nrog rau 3 pawg ntawm tus lej uas txiav txim siab qhov ntev, lub peev xwm nqa tau . Ob pawg no nyob hauv daim ntawv ntawm ob tus lej, uas tau txiav txim siab los qhia qhov ntev, nrog rau qhov dav hauv decimeters. Cov ntsuas no tau muab pauv mus rau tag nrho cov lej. Pawg kawg tau nthuav tawm hauv daim ntawv ntawm ib daim duab, nws txiav txim siab qhov tsis sib xws ntawm kev faib khoom ntawm kPa.

Qhov ntsuas no tseem muab sib npaug.

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Piv txwv ntawm kev kos: PK 23-5-8. Nws qhov kev txiav txim siab yog raws li hauv qab no: lub phaj muaj cov kab lus voos kheej kheej, nws yog tus yam ntxwv ntawm qhov ntev ntawm 2280, qhov dav ntawm 490 mm, thaum cov qauv muaj peev xwm ntawm 7, 85 kPa. Muaj cov khoom lag luam zoo li no uas tau nruab nrog cov cim, ntxiv los ntawm Latin lub npe, uas txiav txim siab hom qws. Ib qho piv txwv ntawm kev kos: PK 80-15-12, 5 txhais tau hais tias lub thav duab tau tsim los ntawm kev txhawb zog. Raws li kev ntxiv, cov npe hauv qab no muaj nyob rau ntawm cov qauv hollow:

  • t - hnyav ua vaj tse;
  • a - muaj cov ntxig rau lub foob;
  • e - tsim siv cov txheej txheem extrusion.
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Yam khoom twg lawv tuaj yeem tiv taus?

Lub peev xwm nqa cov peev txheej ntawm cov pob zeb hauv pem teb tau txiav txim siab los ntawm tus txheej txheem uas tswj hwm kev ua raws li cov thev naus laus zis uas tau thov thaum lub sijhawm lawv tsim khoom. Kev suav ntawm qhov tso cai siab tshaj plaws ntawm cov khoom siv ua vaj tsev ntxiv yog xav tau txhawm rau paub seb qhov ntsuas qhov qauv yuav tiv taus li cas, thiab yog li zam nws qhov kev puas tsuaj. Kev thauj khoom ntawm cov qauv hauv av hollow tuaj yeem ua tau zoo thiab muaj zog. Thawj suav nrog cov ntsiab lus uas nyob lossis txuas rau phaj. Txhua yam uas txav ib puag ncig tus qauv raug txiav txim siab zoo.

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Kev thauj khoom kuj tseem tuaj yeem faib sib npaug thiab tsis sib luag. Piv txwv li, rau lub tsev uas tib neeg nyob, kev faib khoom sib luag tau muab xam, uas tau txiav txim siab hauv Newtons ib 'meter' lossis kg / cm. Ib qho slab ntau nrog cov voids tau suav raws qhov faib khoom faib, uas yog 400 kg ib m2 . Txog qhov ntsuas no, nws yog qhov yuav tsum tau ntxiv qhov hnyav ntawm cov qauv, uas yog kwv yees li 2.5 tus neeg nruab nrab, cov nplais thiab cov nplais, uas hnyav li 1 centner. Qhov suav qhov hnyav yuav tsum tau muab sib npaug los ntawm kev nyab xeeb (1, 2). Raws li qhov tshwm sim, 900 kg / m2 tawm los. Kuj tseem muaj cov ntaub ntawv tsim tshwj xeeb uas tso cai rau koj kom raug xam lub nra ntawm cov pob zeb ua kom muaj zog uas muaj qhov txhawb nqa.

Txhawm rau suav qhov zoo tshaj plaws thauj khoom, nws yog qhov yuav tsum tau paub qhov hnyav ntawm txhua lub ntsiab lus uas yuav cuam tshuam rau nws cov txiaj ntsig ., uas yog, cov cement-xuab zeb screeds, gypsum muab faib ua pawg, hauv pem teb pawg thiab rwb thaiv tsev cua sov. Tom qab suav tag nrho cov ntsuas saum toj no, nws yog qhov yuav tsum tau faib tus lej los ntawm tus lej ntawm cov vaj huam sib luag uas yuav muaj nyob hauv lub tsev. Ib yam nkaus, koj tuaj yeem xam qhov siab tshaj plaws qhov siab tshaj plaws ntawm txhua qhov kev teeb tsa.

Ntau lub vaj huam sib luag uas muaj muag lag luam muaj peev txheej txheem ntawm 800 kg / m2.

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Kev cai teeb tsa

Txhawm rau ua kom muaj kev txhim kho txhim khu kev qha ntawm hollow-core pem teb slabs, nws tsim nyog nruj me ntsis ua raws txhua txoj cai. Yog tias thaj chaw txhawb nqa tsis txaus, phab ntsa tuaj yeem hloov pauv, thiab hauv qhov xwm txheej nrog thaj tsam ntau dhau, tuaj yeem ua kom muaj cua sov ua kom sov tau. Thaum txhim kho slabs ntawm hom no, nws tsim nyog coj mus rau hauv tus account qhov siab tshaj plaws txhawb nqa qhov tob:

  • rau cov qauv cib - 9 centimeters;
  • rau aerated qhob thiab ua vaj tse ua npuas ncauj - 15 centimeters;
  • rau cov qauv hlau - 7.5 centimeters.

Hauv cov txheej txheem no, nws yuav tsum nco ntsoov tias qhov tob ntawm kev teeb tsa ntawm lub vaj huam sib luag hauv phab ntsa yuav tsum tsis txhob ntau dua 16 cm rau lub teeb thaiv thiab lub tsev cib, ntxiv rau 12 cm rau cov qauv ua los ntawm cov pob zeb thiab cov pob zeb ntxiv.

Ua ntej pib kev teeb tsa ntawm cov pob zeb, cov khoob khoob khoob khoob khoob khoob khoob khoob khawm yuav tsum tau muab ntim nrog cov pob zeb sib xyaw ua ke kom tob li 0, 12 meters.

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Nws tsis pom zoo kom teeb tsa cov laug cam yam tsis siv tshuaj khib. Ib txheej ntawm kev daws teeb meem tsawg kawg 2 hli tau muab tso rau ntawm qhov chaw ua haujlwm. Ua tsaug rau qhov ntsuas no, lub nra ntawm phab ntsa raug xa ncaj qha. Thaum nruab cov pob zeb ntawm cov phab ntsa uas tsis yooj yim, nws yog qhov yuav tsum tau ua cov txheej txheem kev txhawb nqa, vim tias yuav tsis muaj dabtsi yog khoov ntawm cov thaiv. Txhawm rau txhawm rau txo cov cua sov ua kom sov ntawm cov plag tsev, nws tsim nyog insulating cov qauv los ntawm sab nraud.

Thaum yuav khoom hollow-core pem teb panels, koj yuav tsum tau them sai sai rau lawv qhov zoo, tsos thiab muaj daim ntawv pov thawj, vim kev nyab xeeb yuav nyob ntawm lawv . Kev siv hollow core slabs muab kev thauj khoom qis rau ntawm ib puag ncig ntawm tus qauv, lav tau lub zog siab thiab ntseeg tau ntawm cov qauv.

Hom kev teeb tsa no ua rau qis dua ntawm lub tsev dua li thaum siv kev xaiv lub cev tag nrho, dua li, tus nqi rau lawv yog qhov siv tau.

Pom zoo: