Cov laj thawj rau deformation ntawm steel qauv yog raws li nram no:
1.Thaum lub vuam yog biased rau ib sab ntawm lub steel qauv seem, vim thermal expansion thiab txias contraction, dabtsi yog khoov deformation tshwm sim.
2. Muaj ob lub laj thawj tseem ceeb rau kev deformation ntawm lub welding ntawm steel qauv:
(1) Rau qhov V-shaped zawj: cov duab ntawm cov seem weld tsis zoo sib xws, ua rau tsis sib xws ntawm cov welds sab sauv thiab sab qis, ua rau angular deformation;
(2) Rau x-hom zawj: qhov sib txuas ntawm vuam tsis tsim nyog, thiab kev sib hloov ntawm cov welds ntawm ob sab tsis sib npaug, uas yuav ua rau lub kaum sab xis deformation.
3. Thaum cov qauv steel yog welded, yoj deformation ntawm steel qauv yog tshwm sim los ntawm kev sib koom ua ke ntawm cov laj thawj hauv qab no.
(1) Lub compressive kev nyuaj siab tshwm sim los ntawm longitudinal shortening ntawm weld ntawm ntug ntawm daim nyias nyias
(2) Lub angular deformation tshwm sim los ntawm transverse shortening ntawm weld
Weld joint longitudinal thiab transverse deformation, yog li cov qauv hlau tuaj yeem tsim yoj deformation.
4. Muaj ntau qhov laj thawj rau kev cuam tshuam thiab deformation ntawm steel qauv qhov chaw tom qab vuam, xws li cov txheej txheem sib dhos tsis tsim nyog, tsis tsim nyog vuam ib ntus, qhov sib txawv weld tsis sib xws, kev siv tsis zoo ntawm cov khoom ua haujlwm, thiab lwm yam. Lub ntsiab yog vim li cas yog qhov ntev thiab transverse shrinkage ntawm weld. .
