Isakhelo sesithuba seMyuziyam yaseChengdu
Le nkqubo isithuba sentsimbi esakhiwe ngendlela ekhethekileyo skeleton / imathiriyeli ekrwada Q235B welded umbhobho / ukuphakama iyonke 45 yeemitha / ubude bubonke 115 yeemitha / bubonke ubude 1577 iimitha.
1. Intsimbi esetyenziswe kwisakhelo sendawo yesakhiwo sensimbi kufuneka ibe namandla okuqina, i-elongation, amandla esivuno kunye ne-sulfure kunye nomxholo we-phosphorus, kwaye kufuneka ibe nesiqinisekiso esifanelekileyo somxholo wekhabhoni.
2. Zonke iintsimbi zifakwe kwi-welded steels structural, kwaye ziya kufakwa kuvavanyo lwe-tensile, uvavanyo lokugoba, kunye novavanyo lwempembelelo ye-V-notch ngokuhambelana neemfuno zoyilo, kwaye ziya kuhlangabezana neemfuno ze-weldability.
3. Zonke izixhobo zetsimbi ezinjengeentsimbi kunye neentsika zenziwe ngentsimbi ye-Q355B, jonga iimfuno zokudweba iinkcukacha.Imigangatho yomgangatho wamacandelo iya kuhlangabezana neemfuno zomgangatho wangoku wesizwe "i-Low Alloy High Strength Structural Steel" (GB/T 1591-2018).Amandla okuqina, ubude, inqaku lesivuno, uvavanyo lokugoba olubandayo kunye nokuqina kwempembelelo yezinto kufuneka kuqinisekiswe ukuba kufanelekile, kwaye umxholo wesulfure, i-phosphorus kunye nekhabhoni kufuneka uqinisekiswe ukuhlangabezana neemfuno.
4. Ngexesha loyilo lwe-seismic, intsimbi iya kuhlangabezana nezi mfuno zilandelayo:
Umlinganiselo wexabiso elilinganisiweyo lamandla esivuno sentsimbi ukuya kwixabiso elilinganisiweyo lamandla obunzima akufanele libe ngaphezu kwe-0.85;
Intsimbi kufuneka ibe namanyathelo okuvelisa acacileyo, kwaye i-elongation akufanele ibe ngaphantsi kwe-20%;
Intsimbi kufuneka ibe ne-weldability elungileyo kunye nokuqina kwempembelelo eyamkelekileyo.
5. Izinto zeWelding,
Izinto zokudibanisa i-welding kufuneka zihambelane nesiseko sesinyithi.Xa amabakala amabini entsimbi adityanisiweyo, i-electrode okanye ucingo oluhambelana nenqanaba lentsimbi elisezantsi lisetyenziswa.Uqhagamshelo oludityanisiweyo kunye nomthwalo oguqukayo othe ngqo okanye ipleyiti eshinyeneyo yokuwelda kufuneka isebenzise i-electrode ephantsi-hydrogen, efana ne-E4315, E4316, E5015, E5016 kunye nezinye iimodeli.