橡(Xiang)胶(Jiao)垫(Dian)板(Ban)是(Shi)由(You)多(Duo)层(Ceng)橡(Xiang)胶(Jiao)片(Pian)硫(Liu)化(Hua)粘(Zhan)合(He)而(?)成(Cheng)一(Yi)种(Zhong)普(Pu)通(Tong)橡(Xiang)胶(Jiao)支(Zhi)座(Zuo)产(Chan)品(Pin),这(Zhe)种(Zhong)产(Chan)品(Pin)具(Ju)有(You)足(Zu)够(Gou)的(De)竖(Shu)向(Xiang)刚(Gang)度(Du),能(Neng)够(Gou)将(Jiang)支(Zhi)座(Zuo)上(Shang)部(Bu)构(Gou)造(Zao)的(De)反(Fan)力(Li)可(Ke)靠(Kao)的(De)传(Chuan)递(Di)给(Gei)墩(Dun)台(Tai),支(Zhi)座(Zuo)具(Ju)有(You)良(Liang)好(Hao)的(De)弹(Dan)性(Xing),以(Yi)应(Ying)对(Dui)桥(Qiao)梁(Liang)的(De)梁(Liang)端(Duan)的(De)转(Zhuan)动(Dong);(?)又(You)有(You)较(Jiao)大(Da)的(De)剪(Jian)切(Qie)变(Bian)形(Xing)能(Neng)力(Li),(?)以(Yi)满(Man)足(Zu)上(Shang)部(Bu)构(Gou)造(Zao)的(De)水(Shui)平(Ping)位(Wei)移(Yi)。(?)
橡(Xiang)胶(Jiao)垫(Dian)板(Ban)的(De)布(Bu)置(Zhi)
橡(Xiang)胶(Jiao)垫(Dian)板(Ban)的(De)布(Bu)置(Zhi)主(Zhu)要(Yao)和(He)桥(Qiao)梁(Liang)的(De)结(Jie)构(Gou)形(Xing)式(Shi)有(You)关(Guan)。(?)通(Tong)常(Chang)在(Zai)布(Bu)置(Zhi)支(Zhi)座(Zuo)时(Shi)需(Xu)要(Yao)考(Kao)虑(Lu)以(Yi)下(Xia)的(De)基(Ji)本(Ben)原(Yuan)则(Ze):(?)
((?)1)(?)上(Shang)部(Bu)结(Jie)构(Gou)是(Shi)空(Kong)间(Jian)结(Jie)构(Gou)时(Shi),(?)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)应(Ying)能(Neng)同(Tong)时(Shi)适(Shi)应(Ying)桥(Qiao)梁(Liang)顺(Shun)桥(Qiao)向(Xiang)((?)X方(Fang)向(Xiang))(?)和(He)横(Heng)桥(Qiao)向(Xiang)((?)Y方(Fang)向(Xiang))(?)的(De)变(Bian)形(Xing);(?)
((?)2)(?)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)必(Bi)须(Xu)能(Neng)可(Ke)靠(Kao)的(De)传(Chuan)递(Di)垂(Chui)直(Zhi)和(He)水(Shui)平(Ping)反(Fan)力(Li);(?)
((?)3)(?)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)应(Ying)使(Shi)由(You)于(Yu)梁(Liang)体(Ti)变(Bian)形(Xing)所(Suo)产(Chan)生(Sheng)的(De)纵(Zong)向(Xiang)位(Wei)移(Yi)、(?)横(Heng)向(Xiang)位(Wei)移(Yi)和(He)纵(Zong)、(?)恒(Heng)向(Xiang)转(Zhuan)角(Jiao)应(Ying)尽(Jin)可(Ke)能(Neng)不(Bu)受(Shou)约(Yue)束(Shu);(?)
((?)4)(?)当(Dang)桥(Qiao)梁(Liang)位(Wei)于(Yu)平(Ping)坡(Po)上(Shang),(?)固(Gu)定(Ding)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)宜(Yi)设(She)在(Zai)主(Zhu)要(Yao)行(Xing)车(Che)方(Fang)向(Xiang)的(De)前(Qian)端(Duan)桥(Qiao)台(Tai)上(Shang);(?)
((?)5)(?)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)宜(Yi)设(She)置(Zhi)在(Zai)具(Ju)有(You)较(Jiao)大(Da)垫(Dian)块(Kuai)反(Fan)力(Li)的(De)地(Di)方(Fang);(?)
((?)6)(?)在(Zai)同(Tong)一(Yi)桥(Qiao)墩(Dun)上(Shang)的(De)几(Ji)个(Ge)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)应(Ying)具(Ju)有(You)相(Xiang)近(Jin)的(De)转(Zhuan)动(Dong)刚(Gang)度(Du);(?)
总(Zong)之(Zhi),(?)桥(Qiao)梁(Liang)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)的(De)布(Bu)置(Zhi)原(Yuan)则(Ze)是(Shi)既(Ji)要(Yao)便(Bian)于(Yu)传(Chuan)递(Di)支(Zhi)座(Zuo)反(Fan)力(Li),(?)又(You)要(Yao)使(Shi)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)块(Kuai)能(Neng)充(Chong)分(Fen)适(Shi)应(Ying)梁(Liang)体(Ti)的(De)自(Zi)由(You)变(Bian)形(Xing)。(?)
橡(Xiang)胶(Jiao)垫(Dian)板(Ban)的(De)安(An)装(Zhuang)
((?)1)(?)在(Zai)橡(Xiang)胶(Jiao)垫(Dian)板(Ban)安(An)装(Zhuang)之(Zhi)前(Qian)应(Ying)对(Dui)支(Zhi)座(Zuo)的(De)安(An)装(Zhuang)位(Wei)置(Zhi)进(Jin)行(Xing)测(Ce)量(Liang)检(Jian)验(Yan),(?)支(Zhi)座(Zuo)安(An)装(Zhuang)平(Ping)面(Mian)应(Ying)和(He)支(Zhi)座(Zuo)的(De)滑(Hua)动(Dong)平(Ping)面(Mian)或(Huo)滚(Gun)动(Dong)平(Ping)面(Mian)平(Ping)行(Xing),(?)其(Qi)平(Ping)行(Xing)度(Du)的(De)偏(Pian)差(Cha)不(Bu)宜(Yi)超(Chao)过(Guo)2‰(?)。(?)
((?)2)(?)垫(Dian)块(Kuai)安(An)装(Zhuang)前(Qian)应(Ying)对(Dui)活(Huo)动(Dong)支(Zhi)座(Zuo)顶(Ding)、(?)底(Di)板(Ban)的(De)相(Xiang)对(Dui)位(Wei)置(Zhi)进(Jin)行(Xing)检(Jian)查(Cha)。(?)
((?)3)(?)垫(Dian)块(Kuai)安(An)装(Zhuang)后(Hou),(?)滚(Gun)动(Dong)和(He)滑(Hua)动(Dong)平(Ping)面(Mian)应(Ying)水(Shui)平(Ping),(?)其(Qi)与(Yu)理(Li)论(Lun)平(Ping)面(Mian)的(De)斜(Xie)度(Du)不(Bu)大(Da)于(Yu)2‰(?)。(?)支(Zhi)座(Zuo)上(Shang)、(?)下(Xia)板(Ban)中(Zhong)心(Xin)应(Ying)对(Dui)中(Zhong),(?)其(Qi)偏(Pian)差(Cha)不(Bu)大(Da)于(Yu)2‰(?)。(?)
((?)4)(?)为(Wei)保(Bao)证(Zheng)垫(Dian)块(Kuai)安(An)装(Zhuang)平(Ping)整(Zheng),(?)一(Yi)般(Ban)应(Ying)在(Zai)支(Zhi)座(Zuo)底(Di)面(Mian)与(Yu)职(Zhi)称(Cheng)垫(Dian)石(Shi)顶(Ding)面(Mian)之(Zhi)间(Jian),(?)捣(Dao)筑(Zhu)20~(?)50mm厚(Hou)的(De)干(Gan)硬(Ying)性(Xing)无(Wu)收(Shou)缩(Suo)砂(Sha)浆(Jiang)垫(Dian)层(Ceng)。(?)