Munyaya yepasi joist spans, huni huzhinji hahuri nani nguva dzose. Somuenzaniso, joists vane gumi "zvakadzika, zvinonzwisisika, zvine simba kudarika joists izvo gumi" zvakadzama. Paunenge uchiita neimba yemadziro maviri, iwe unoda kuwedzera kukwirira kwedenga yezinga iri pasi. Saka, shallower joists inopa goro rezasi pamwe nemasendimita mashomanana anokosha emusoro.
Izvi pasi pedo joist zvinoratidzirwa zvinoratidzira zviyero zvakakosha zvematanda akacheka ( sezvinopesana nemapuranga emadziro emadziro ) uye unovabatanidza nemishonga chaiyo yaunogona kutenga nyore pachitoro chako chekuvandudza kumba .
Chengetedza zvakanyanya nzira iyo joist sizing inoshandura pakarepo iwe unoshandisa chimwe chezvinhu, zvakadai sejoist kana kupera urefu.
Urarame Maererano neMitoro Yevakafa
- Kurarama mutoro zvinoreva kuti vanobatana vari kutakura uremu hunobva pakugara - vanhu nezvinhu.
- Mufambi wakafa unongoreva zvinhu zvisingatenderi, zvakadai sezvinhu zvaungachengetera mune imwe nzvimbo yepamusoro.
Kune marudzi akasiyana ehupenyu uye akafa. Chokutanga-pasi inotakura zvinhu zvinorema pane zvigaro zvepasi-pasi (40 pounds per square ft. Vs. 30 psf). Imba inoshandiswa chete yekurara ingada kutakura 30 psf chete, asi garaji inoda 50 psf kana kupfuura.
Wood Species: Hem-Fir
Aya majoist anobva kune hem-firiti. Hem-fir ndeyemhando yakawanda yemapuranga uye ndeyemhando yekubatanidza hemlock uye fir. Iyi ndiyo mhando yemhando yaunowana paunharaunda yako Lowe, Home Depot, kana Menards. Nenzira iyi, zvisikwa zvine basa. Somuenzaniso, 2x10 inch hem-fir inogona kureba mamita gumi pasi pemamwe mamiriro ezvinhu.
Kunyange zvakadaro kuAustria Spruce, kune dzimwe nyika, inogona kugadzirisa imwe hafu yezvishoma zvepane pasi pemamiriro akafanana.
Pakupedzisira, haugoni kuwana mhando imwechete yemapuranga muLowe kana kuti Home Depot, sezvo nzvimbo dzakasiyana dzichawana marudzi akasiyana ehuni dzomunharaunda. Hem-fir inoratidzira muWest Coast zvivako; whitewood muEast Coast zviyo.
1. Kuwedzera Ne 12 Ft. Denga uye 16 In. On-Center (OC) Joists
Muenzaniso:
Iwe uri kuvaka kuwedzera. Rimwe remakamuri makiro gumi nemaviri. Iwe unofanirwa kutarisa chinhambwe chemamita 11,5 kune mutoro uri mupenyu.
Purchase This:
- Dhigiriro (Inches): 2x8
- Kureba (Maputso): 12
- Wood Species: Hem-Fir
- Mutengesi: Lowe's
- Zvechokwadi Zita Rekushandisa: Sarudzo Yakanakisisa 2 x 8 x 12 Iri-yakachema Hem-Fir S4S Lumber
Kuiswa kweSpacing (Inches, On-Center): 16
2. Kuwedzera Ne 12 Ft. Denga uye Joists Izvo Zvakatarisana Zvakare
Muenzaniso:
Iwe unofanirwa kutarisa chinhambwe chemakiromita akafanana, 11,5 mamita, kuti uite mutoro mhenyu, asi mamiriro ezvinhu anoratidza kuti iwe unokwanisa chete kuisa joist mairi masendimita makumi matanhatu nemashanu.
Purchase This:
- Dhigiriro (Inches): 2x10
- Kureba (Maputso): 12
- Wood Species: Hem-Fir
- Mutengesi: Lowe's
- Zvechokwadi Zita Rekushandisa: Sarudzo Yakanakisisa 2 x 10 x 12 Yakasvava Hem-Fir S4S Lumber
Kushandiswa kweSpacing (Inches, On-Center): 24
3. Kuwedzera ne 16 Ft. Makamuri
Muenzaniso:
Iwe uri kuvaka imba imwechete kuwedzera kweimba yako iyo yakareba mamita makumi matanhatu. Izvi zvinoreva kuti iwe unofanirwa kutarisa chinhambwe chinhambwe chemamita makumi maviri nemashanu pamutoro uri mupenyu.
Purchase This:
- Dhigiri (Inches): 2x12
- Kureba (Maputso): 16
- Wood Species: Hem-Fir
- Mutengesi: Lowe's
- Zvechokwadi Zita Rekushandisa: Sarudzo Yakanakisisa 2 x 12 x 16 Iri-yakachema Hem-Fir S4S Lumber
Kuiswa kweSpacing (Inches, On-Center): 16
4. Pfupi Yechipatara Gorofu, 8 Ft. Yakareba
Muenzaniso:
Iwe uri kuvaka musangano. Pasi yako joists inofanira kutarisa chinhambwe chinhambwe chemamita gumi nemutoro.
Purchase This:
- Dhigiri (Inches): 2x6
- Kureba (Maputso): 10
- Wood Species: Hem-Fir
- Mutengesi: Lowe's
- Zvechokwadi Zita Rekushandisa: Sarudzo Yakanakisisa 2 x 6 x 10 Yakasvava Hem-Fir S4S Lumber
Kunyange zvazvo mamita 8 ari pfupi pfupi, yeuka kuti iyi semusangano, saka iwe unofanirwa kufunga nezvezvinhu zvakaoma zvakadai semadhora emakona uye masona machena.
Izvozvi 2x6 zvichave zvakakwana here kana iwe uine zvinhu zvakanyanya kuoma mumusangano, kana izvi zvingashandiswa pabasa rekuita basa? Izvi ndezvikonzero zvekutora pamwe nekugadzika joist spans.
Kuiswa kweSpacing (Inches, On-Center): 16
Tarisa Span Tables
A nuanced kutarisa pasi joist spans inogona kuwanika kubva kune zvinyorwa zvematafura kana matafura, zvishoma zvaro zvakanyorwa pasi apa.
Ichokwadi pasi pasi joist span kuverenga kunogona kungoitwa neanjiniya kana sangano.
Nzvimbo yakagadzirirwa inoshanda, kusvibiswa kwepasi pedo joists, uye kutakura pfungwa ndezvimwe zvikonzero izvo injini kana mukonesi anogona kutarisa kuti aone joist sizing.