Video: Puas muaj qhov siab tsawg kawg nkaus rau cov ntaiv risers?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Stair riser qhov siab yuav tsum yog 7 nti (178 mm) siab tshaj plaws thiab 4 nti (102 mm) yam tsawg kawg nkaus . Stair tread qhov tob yuav tsum yog 11 nti (279 mm) yam tsawg kawg nkaus . Cov riser qhov siab yuav tsum ntsuas vertically nruab nrab ntawm cov thawj ntug ntawm cov treads uas nyob ib sab.
Hauv qhov no, qhov tsawg kawg nkaus qhov siab ntawm tus ntaiv riser yog dab tsi?
4 ntiv
Tom qab, lo lus nug yog, dab tsi yog tus qauv theem siab rau stairs? Standard Kauj Ruam Qhov siab Qhov nruab nrab, American architects tau siv a standard ntaiv qhov siab ua 7,5in. Nyob ntaiv ua hauv, qhov nruab nrab kauj ruam ntev yog 9 nti siab, thaum sab nraum cov kauj ruam muaj qhov nruab nrab ntev ntawm 11 ntiv tes siab.
Nyob rau hauv kev hwm rau qhov no, stair risers tuaj yeem ua qhov siab sib txawv?
Raws li tsab ntawv tshaj tawm tshiab ntawm 2012 International Residential Code (IRC), qhov siab tshaj plaws tso cai sib txawv hauv riser qhov siab yog 3/8 "(Qhov no txhais tau hais tias qhov sib txawv hauv qhov siab nruab nrab ntawm qhov siab tshaj plaws thiab luv tshaj riser ntawm koj ntaiv tau tsis ntau tshaj 3/8 ")
Qhov siab tshaj plaws ntawm ib kauj ruam yog dab tsi?
Risers yuav tsum muaj ib qhov siab tshaj plaws ntawm xya ntiv tes thiab qhov tsawg kawg nkaus qhov siab ntawm plaub ntiv tes. Ib tsev neeg ib leeg thiab cov tsev hauv nroog tau tso cai kom muaj siab tshaj riser qhov siab ua 7,75in.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
Qhov tsawg kawg nkaus qhov siab rau ib lub mezzanine pem teb yog dab tsi?
14,7ft ua Hais txog qhov no, tus qauv qhov siab ntawm mezzanine pem teb yog dab tsi? Yam tsawg kawg nkaus qhov siab ntawm kev tsim a mezzanine pem teb los ntawm lub qab nthab yog 440 centimeters. Qhov no txhais tau li ntawm 14 feet ntawm lub qab nthab thiab hauv av pem teb .
Qhov tsawg kawg nkaus feem pua ntawm cov neeg ua haujlwm hauv ib chav sib tham uas yuav tsum tau kos npe rau daim ntawv tso cai rau National Labor Relations Board los tuav lub koom haum sawv cev xaiv tsa?
Daim ntawv thov kev lees paub yuav raug foob los ntawm cov neeg ua haujlwm lossis ib lub koomhaum ua haujlwm sawv cev ntawm cov neeg ua haujlwm. Daim ntawv thov kev lees paub yuav tsum tau kos npe los ntawm tsawg kawg 30% ntawm cov neeg ua haujlwm hauv chav sib tham uas sawv cev los ntawm lub koomhaum
Yuav ua li cas nce cov nyiaj hli tsawg kawg nkaus ua rau cov neeg ua haujlwm tshaj tawm?
1. Yuav ua li cas nce tus nqi qis tshaj qhov nyiaj ua lag luam ua rau cov neeg ua haujlwm tshaj tawm? Cov nyiaj ua haujlwm siab dua kuj txo cov neeg ua haujlwm kom muaj nuj nqis uas cov tuam txhab xav ua haujlwm, uas txo cov neeg ua haujlwm xav tau
Dab tsi yog qhov hloov pauv yam tsawg kawg nkaus rau lub tshav dav hlau nrog cov txheej txheem kom raug?
Standard alternate yam tsawg kawg nkaus rau ib tug precision mus kom ze yog 600-ko taw qab nthab thiab 2 SM visibility. Rau qhov tsis yog qhov tseeb, qhov tsawg kawg nkaus yog 800-ko taw qab nthab thiab 2 SM pom kev. Standard alternate yam tsawg kawg nkaus siv tshwj tsis yog ntau dua alternate yam tsawg kawg nkaus teev nyob rau hauv lub tshav dav hlau