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Yuav ua li cas txiav txim siab seb lub tsev puas muaj hluav taws kub?

Cov txheej txheem:

Yuav ua li cas txiav txim siab seb lub tsev puas muaj hluav taws kub?
Yuav ua li cas txiav txim siab seb lub tsev puas muaj hluav taws kub?

Video: Yuav ua li cas txiav txim siab seb lub tsev puas muaj hluav taws kub?

Video: Yuav ua li cas txiav txim siab seb lub tsev puas muaj hluav taws kub?
Video: yuav coj li cas kom luag nyiam 2024, Tej zaum
Anonim

Lub tsev tsim: Hloov Cov Hluav Taws Xob Hluav Taws Xob yog cov tsev uas cov phab ntsa sab nrauv thiab cov khoom thauj khoom ntawm cov phab ntsa sab nrauv yuav tsum yog ntawm cov ntaub ntawv tsis tuaj yeem lossis cov masonry, tab sis sab nrauv uas tsis muaj phab ntsa thiab cov phab ntsa vaj huam sib luag yuav ua rau qeeb-hlwb, combustible, los yog tsis muaj hluav taws-tiv taus ntsuas.

Yuav ua li cas yog lub tsev tiv thaiv hluav taws?

Kev tsim hluav taws kub muaj feem ntau yog cov pob zeb muaj zog nrog cov tswv cuab, suav nrog cov phab ntsa, kab, kab teeb, cov plag tsev thiab lub ru tsev uas tiv thaiv los ntawm kev rwb thaiv tsev los yog tsis siv neeg txau.

Yuav ua li cas rau kev tsim hluav taws kub resistant?

 Cov kev xav tau hluav taws kub-tiv taus yuav tsum muaj, raws li qhov tsawg kawg nkaus, cov kev ntsuas hauv qab no:  Sab nrauv cov kabmob: 0 txog 2 teev.  Sab hauv cov kabmob phab ntsa: 0 txog 2 teev.  Kem: 0 mus rau 2 teev.  Beams, girders, trusses, arches: 0 to 2 hours.

Kev ntsuas hluav taws kub ntsuas li cas?

Kev ntsuas hluav taws kub yog txiav txim siab los ntawm ntsuas kev ntsuas kev sib dhos ua ke raws li cov txheej txheem hauv American Society for Testing and Materials (ASTM) E119 Standard Test Methods for Fire Tests of Building Construction and Materials, muaj nyob ntawm www.astm.org Qhov kev xeem kuj tseem hu ua NFPA 251, Standard …

Qhov ntsuas hluav taws kub tsawg kawg yog dab tsi?

[F] 414.2.

Qhov kev ntsuas hluav taws kub-tiv taus rau cov teeb meem hluav taws yuav tsum ua raws li Table 414.2. … Lub rooj sib txoos hauv pem teb ntawm thaj chaw tswj thiab kev tsim kho kev txhawb nqa hauv pem teb ntawm thaj chaw tswj yuav tsum muaj qhov ntsuas hluav taws kub ntawm tsis tsawg dua 2 teev

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