Kodi kusankha bwino kukula sills

The mawonekedwe khalidwe la zitsulo ndi makhalidwe ake mphamvu mwaisandutsa ntchito apakhungu kumabungwe osiyanasiyana chuma. Malinga ntchito, kusankha zosiyanasiyana mitundu ndi makulidwe mipiringidzo njira. Iwo ntchito mu zogona ndi mafakitale zomangamanga, makina, njanji galimoto, pa kukonza zosiyanasiyana popanga shelving ndi zolimba simenti, ndi panja malonda chipangizo kwa ndiziwunda lapansi.

Channel amagwira ntchito ngati chinthu kandalama kupanga cranes, milatho pylons mkulu voteji, zitsime za mafuta, chimango iliyonse nyumba ndi kutseka kuyankhulana. Kulikonse kumene masewero yofunika chowawa chuma mphamvu pa kulemera wotsika.

mitundu sills

Nkhani zikuluzikulu zomwe kupanga mankhwala - zitsulo (structural mpweya, otsika aloyi, otentha adagulung'undisa ndi ozizira adagulung'undisa). Kusiyanitsa otentha (molondola wamba kuchuluka kwa anagubuduza) ndi njira wopindidwa.

Hot-adagulung'undisa zitsulo lililonse kufanana maalumali, koma iwo akhoza kupangidwa ndi otsetsereka (osapitirira 10%). Makulidwe sills cholinga ambiri kapena cholinga chapadera (makamaka kwa magalimoto) amasiyana m'lifupi ndipo kutalika maalumali (miyeso kuperekedwa ku CCITT 8240-89, ndi 19425-74). Osiyana GOST alipo Mbiri yomangira galimoto (GOST 5267.1-90).

Wopindidwa mankhwala ndi zowoneka wolemekezeka ndi anamaliza maalumali mkati ngodya ndi wofanana ndi wosiyana. Iwo ali njira kukula (GOST 8278-75) m'litali ndi mamita 12, koma pa pempho ndi kupanga mbiri yaitali.

Makulidwe sills

Posankha mbiri motsogozedwa ndi magawo amafotokoza zomwe kudziwa kutalika, m'lifupi ndi flange makulidwe, khoma makulidwe, utali wozungulira mkati mwa kupindika kapena nazo maalumali.

Pali mitundu yosiyanasiyana, kukula kwake komanso makhalidwe ndi malamulo ndi mfundo. Choncho khalidwe la mankhwala n'zosavuta kudziwa amayerekezera miyeso chenicheni cha U-Zigawo zafotokozeredwa GOST lapansi.

subtleties olemba

Pamene chodetsa kukula mbiri kawirikawiri mmene masentimita ndi makalata tisonyezeni chizindikiro payekha. Mwachitsanzo, njira 8P, kutalika kwa amene ali muyezo limanena kuti kutalika kwake - 8 masentimita, ndi maalumali yomweyi. Mwa njira, mankhwala ndi mulingo ndi advantageously ntchito ikuthandizira nyumba, monga iwo welded pamodzi popanda mavuto, ndipo amapangidwa kuchokera moyenera ndi bata mpweya zitsulo.

Pakuti kuchepetsa kumanga zitsulo njira komanso ntchito 12P, amene ali apamwamba mphamvu makhalidwe. Koma pamwamba wogulitsa ndi mbiri wosachedwa 16P.

Kulunjika zitsulo ntchito zambiri zimadalira zitsulo kalasi, amene ntchito kupanga ake. Mwachitsanzo, ntchito mu kumpoto, kutentha m'munsi ndi ntchito yachibadwa njira zopangidwa otsika mpweya 09G2S structural zitsulo. Ichi ndi chifukwa mkulu mphamvu mawotchi anapatsidwa kalasi ya chitsulo chomasuka kuwotcherera, kukana kutentha otsika.