Bursting Reinforcement yog ib hom kev txhawb zog uas tau muab rau hauv cov pob zeb prestressed. Nws pab tiv thaiv lub lateral tensile stress generated hauv prestressing ua hauj lwm. Qhov kev ntxhov siab no yog qhov siab tshaj plaws thaum kev ntxhov siab trajectory yog concave ntawm kab ntawm qhov nruab nrab ntawm kev thauj khoom.
Nkauj tawg yog dab tsi?
Ib qho kev ntsuas ntawm qhov loj ntawm lub zog prestressing ntsig txog qhov tshwm sim ntawm kev ntxhov siab tshwm sim hauv cov tswv cuab ntawm cov khoom ua haujlwm5. Txhais qhov nro tawg. … Lub tensile kev nyuaj siab nyob rau hauv steel uas tsim ib tug residual strain ntawm 0.2 feem pua ntawm cov thawj gauge ntev ntawm unloading.
qhov kub nyhiab siv nyob qhov twg?
Pab pawg tseem paub txog cov haujlwm uas cov kws tshaj lij tsim tau teev "kub leeg" nruab nrab ntawm cov qhab hauv ob txoj kev tom qab tensioned slabs. Cov leeg no khiav tag nrho ntev ntawm cov slab nruab nrab ntawm cov bands thiab tau teev nyob rau hauv nruab nrab ntawm lub slab uas tsis muaj ntsug nkhaus profile, raws li qhia nyob rau hauv daim duab 2.
Qhov kev txhawb nqa twg yog siv rau hauv cov pob zeb ua ntej kev ntxhov siab?
High tensile steel yog siv rau kev ua vaj tse prestressed.
Yuav ua li cas tiv thaiv kev tawg rog?
A post-tensioned prestressed system pib muaj lub zog siab leeg lossis txoj hlua khiav los ntawm qhov ntev ntawm cov qauv pob zeb. … Vim li no lub zog steel lub npe hu ua anti-burst yog siv nyob rau hauv thaj chaw thauj tog rau nkoj los tswj kev tawg los ntawm tensile quab yuam vim qhov tensioning
