佳木斯市(shi)天瑞(rui)瀝青混凝土有限公(gong)司
地址:佳木斯市郊區敖其鎮
電(dian)話:13836659822 0454-8839716
傳真:0454-8839733
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哈爾濱瀝青路面路面結構
瀝青路(lu)面結構(gou)層(ceng)(ceng)可(ke)由面層(ceng)(ceng)、基層(ceng)(ceng)、底(di)基層(ceng)(ceng)、墊(dian)層(ceng)(ceng)組成(cheng)。瀝青路(lu)面的瀝青類結構(gou)層(ceng)(ceng)本(ben)身,屬于柔(rou)性(xing)路(lu)面范疇,但其基層(ceng)(ceng)除柔(rou)性(xing)材料(liao)(liao)外,也可(ke)采用剛性(xing)的水(shui)泥混凝土,或半剛性(xing)的水(shui)硬性(xing)材料(liao)(liao)。
面層(ceng)是直接(jie)承受車(che)輪荷載反復作(zuo)用和(he)自然因素影響的(de)(de)結構層(ceng),可由1~3層(ceng)組成。表面層(ceng)應根(gen)據使用要求設置抗滑耐磨、密實(shi)穩定的(de)(de)瀝(li)青層(ceng);中面層(ceng)、下(xia)面層(ceng)應根(gen)據公路(lu)等(deng)級、瀝(li)青層(ceng)厚度、氣候條件等(deng)選擇適當的(de)(de)瀝(li)青結構層(ceng)。
基(ji)(ji)(ji)(ji)層(ceng)(ceng)是設(she)置在(zai)面(mian)層(ceng)(ceng)之下(xia),并與面(mian)層(ceng)(ceng)一起將車(che)輪荷載的(de)反復作用(yong)傳布到(dao)底基(ji)(ji)(ji)(ji)層(ceng)(ceng)、墊層(ceng)(ceng)、土(tu)基(ji)(ji)(ji)(ji),起主要(yao)承重(zhong)作用(yong)的(de)層(ceng)(ceng)次(ci)。基(ji)(ji)(ji)(ji)層(ceng)(ceng)材(cai)料的(de)強(qiang)度(du)指標應有較高的(de)要(yao)求(qiu)。基(ji)(ji)(ji)(ji)層(ceng)(ceng)視公(gong)路(lu)等級(ji)或(huo)交通量的(de)需要(yao)可(ke)(ke)設(she)置一層(ceng)(ceng)或(huo)兩(liang)層(ceng)(ceng)。當基(ji)(ji)(ji)(ji)層(ceng)(ceng)較厚需分(fen)兩(liang)層(ceng)(ceng)施工(gong)時(shi),可(ke)(ke)分(fen)別稱為上基(ji)(ji)(ji)(ji)層(ceng)(ceng)、下(xia)基(ji)(ji)(ji)(ji)層(ceng)(ceng)。[
底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)是(shi)設(she)(she)置在基(ji)(ji)(ji)層(ceng)(ceng)(ceng)之(zhi)下,并與(yu)面層(ceng)(ceng)(ceng)、基(ji)(ji)(ji)層(ceng)(ceng)(ceng)一起(qi)承(cheng)受車輪荷載反復作(zuo)用(yong),起(qi)次(ci)要承(cheng)重作(zuo)用(yong)的(de)層(ceng)(ceng)(ceng)次(ci)。底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)材料(liao)的(de)強度(du)指標要求(qiu)可比(bi)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)材料(liao)略低(di)。底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)視(shi)公(gong)路等級或(huo)交通量的(de)需(xu)要可設(she)(she)置一層(ceng)(ceng)(ceng)或(huo)兩層(ceng)(ceng)(ceng)。底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)較厚需(xu)分兩層(ceng)(ceng)(ceng)施工時,可分別(bie)稱為上底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)、下底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)。5)墊(dian)層(ceng)(ceng)(ceng)是(shi)設(she)(she)置在底(di)(di)(di)基(ji)(ji)(ji)層(ceng)(ceng)(ceng)與(yu)土基(ji)(ji)(ji)之(zhi)間的(de)結構層(ceng)(ceng)(ceng),起(qi)排水、隔水、防凍、防污等作(zuo)用(yong)。