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橡胶支座系列
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圆形球冠型橡胶支座

圆(yuan)(yuan)(yuan)形(xing)(xing)(xing)球(qiu)(qiu)(qiu)冠型(xing)橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)支(zhi)座(zuo)是改进后的圆(yuan)(yuan)(yuan)形(xing)(xing)(xing)板(ban)式橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)支(zhi)座(zuo)。其中(zhong)(zhong)间层(ceng)橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)和钢板(ban)布置与圆(yuan)(yuan)(yuan)形(xing)(xing)(xing)板(ban)式橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)支(zhi)座(zuo)完全相同,而(er)在支(zhi)座(zuo)顶面(mian)(mian)用(yong)纯橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)制成球(qiu)(qiu)(qiu)形(xing)(xing)(xing)表面(mian)(mian),球(qiu)(qiu)(qiu)面(mian)(mian)中(zhong)(zhong)心橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)最大厚(hou)度(du)为(wei)4-13mm,球(qiu)(qiu)(qiu)面(mian)(mian)边缘(yuan)15mm,以(yi)适应3%到4%纵横坡(po)下(xia),梁(liang)与支(zhi)座(zuo)接(jie)触(chu)面(mian)(mian)的中(zhong)(zhong)心趋于圆(yuan)(yuan)(yuan)形(xing)(xing)(xing)板(ban)式橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)支(zhi)座(zuo)的中(zhong)(zhong)心。梁(liang)端反力通(tong)过球(qiu)(qiu)(qiu)面(mian)(mian)表面(mian)(mian)橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)逐(zhu)渐扩(kuo)散传(chuan)至下(xia)面(mian)(mian)几(ji)层(ceng)钢板(ban)和橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)层(ceng)。在橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)支(zhi)座(zuo)底(di)面(mian)(mian)加(jia)一圈直径D=2.5mm的半圆(yuan)(yuan)(yuan)形(xing)(xing)(xing)橡(xiang)(xiang)胶(jiao)(jiao)(jiao)(jiao)圆(yuan)(yuan)(yuan)环,支(zhi)座(zuo)受(shou)力时首先由底(di)部圆(yuan)(yuan)(yuan)环变(bian)形(xing)(xing)(xing)压密(mi),调(diao)节底(di)面(mian)(mian)受(shou)力状况,以(yi)改善(shan)或避免支(zhi)座(zuo)底(di)面(mian)(mian)脱空现象的产生,使支(zhi)座(zuo)底(di)面(mian)(mian)受(shou)力均匀。

圆形球冠型橡胶支座性能与特点:
圆形球冠型橡胶支座在平面上各向同性,并以其球冠调节受力状况。不但适用于一般桥梁使用,也适用于各种布置复杂、纵横较大的立交桥及高架桥,其坡度使用范围为3~5%,也可根据不同坡度需要调整球冠半径。

圆形球冠型橡胶支座 圆形球冠型橡胶支座
圆形球冠型橡胶支座 圆形球冠型橡胶支座