混凝土路面伸縮縫填充材料
2021-03-24
路面(mian)伸(shen)縮縫(feng)是在施(shi)工期間(jian)保留的空間(jian)間(jian)隙。當(dang)混(hun)(hun)(hun)凝土被(bei)加熱和膨脹時,它占據了(le)空位(wei)而沒有(you)在內部產生(sheng)壓(ya)縮應力。在施(shi)工過程中,將壓(ya)力接(jie)縫(feng)板(ban)條(tiao)放置在混(hun)(hun)(hun)凝土板(ban)頂部接(jie)縫(feng)延伸(shen)位(wei)置處。混(hun)(hun)(hun)凝土固(gu)化后,及時拉出伸(shen)縮縫(feng)的壓(ya)力接(jie)縫(feng)板(ban),然后填(tian)充(chong)接(jie)縫(feng)填(tian)料。路面(mian)收縮是為(wei)了(le)在整個(ge)(ge)路面(mian)上(shang)切(qie)出一個(ge)(ge)縫(feng)隙,當(dang)混(hun)(hun)(hun)凝土冷收縮時,切(qie)開(kai)的縫(feng)隙會打開(kai)而不...