沥(Li)青(Qing)施(Shi)工(Gong):(?)沥(Li)青(Qing)路(Lu)面(Mian)不(Bu)均(Jun)匀(Yun)的(De)处(Chu)理(Li)措(Cuo)施(Shi)
- 发(Fa)布(Bu)时(Shi)间(Jian):(?)2019-12-11
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- 来(Lai)源(Yuan):(?) 百(Bai)度(Du)文(Wen)库(Ku)
- 阅(Yue)读(Du)量(Liang):(?)
(?) (?)一(Yi)、(?)路(Lu)基(Ji)不(Bu)均(Jun)匀(Yun)沉(Chen)降(Jiang)
(?) (?)1.1是(Shi)路(Lu)面(Mian)的(De)基(Ji)础(Chu)。(?)如(Ru)果(Guo)路(Lu)基(Ji)填(Tian)料(Liao)控(Kong)制(Zhi)不(Bu)好(Hao),(?)压(Ya)实(Shi)度(Du)达(Da)不(Bu)到(Dao)设(She)计(Ji)要(Yao)求(Qiu),(?)路(Lu)基(Ji)排(Pai)水(Shui)设(She)施(Shi)不(Bu)完(Wan)善(Shan),(?)容(Rong)易(Yi)造(Zao)成(Cheng)路(Lu)基(Ji)不(Bu)均(Jun)匀(Yun)沉(Chen)降(Jiang),(?)造(Zao)成(Cheng)路(Lu)面(Mian)不(Bu)均(Jun)匀(Yun)。(?)
(?) (?)1.2基(Ji)层(Ceng)平(Ping)整(Zheng)度(Du)对(Dui)路(Lu)面(Mian)结(Jie)构(Gou)表(Biao)面(Mian)平(Ping)整(Zheng)度(Du)的(De)影(Ying)响(Xiang)是(Shi)一(Yi)个(Ge)分(Fen)层(Ceng)结(Jie)构(Gou)体(Ti)系(Xi),(?)一(Yi)般(Ban)由(You)面(Mian)层(Ceng)、(?)基(Ji)层(Ceng)、(?)底(Di)基(Ji)层(Ceng)和(He)垫(Dian)层(Ceng)组(Zu)成(Cheng)。(?)各(Ge)结(Jie)构(Gou)层(Ceng)的(De)平(Ping)整(Zheng)度(Du)对(Dui)沥(Li)青(Qing)路(Lu)面(Mian)的(De)整(Zheng)体(Ti)平(Ping)整(Zheng)度(Du)起(Qi)着(Zhuo)决(Jue)定(Ding)性(Xing)的(De)作(Zuo)用(Yong)。(?)“(?)不(Bu)均(Jun)匀(Yun)地(Di)基(Ji)、(?)草(Cao)根(Gen)修(Xiu)复(Fu)、(?)不(Bu)平(Ping)整(Zheng)草(Cao)根(Gen)、(?)表(Biao)面(Mian)修(Xiu)复(Fu)”(?)在(Zai)施(Shi)工(Gong)中(Zhong)普(Pu)遍(Bian)存(Cun)在(Zai),(?)这(Zhe)是(Shi)非(Fei)常(Chang)错(Cuo)误(Wu)和(He)有(You)害(Hai)的(De)。(?)沥(Li)青(Qing)碎(Sui)石(Shi)路(Lu)面(Mian)一(Yi)般(Ban)只(Zhi)有(You)4-6cm,(?)沥(Li)青(Qing)面(Mian)层(Ceng)一(Yi)般(Ban)只(Zhi)有(You)1.5-2.0cm。(?)表(Biao)面(Mian)层(Ceng)几(Ji)乎(Hu)不(Bu)可(Ke)能(Neng)调(Diao)整(Zheng)基(Ji)层(Ceng)的(De)平(Ping)整(Zheng)度(Du),(?)而(?)基(Ji)层(Ceng)的(De)粗(Cu)糙(Cao)度(Du)直(Zhi)接(Jie)反(Fan)映(Ying)在(Zai)表(Biao)面(Mian)层(Ceng)上(Shang)。(?)
(?) (?)1.3摊(Tan)铺(Pu)作(Zuo)业(Ye)对(Dui)混(Hun)合(He)料(Liao)摊(Tan)铺(Pu)的(De)影(Ying)响(Xiang)对(Dui)平(Ping)整(Zheng)度(Du)起(Qi)决(Jue)定(Ding)性(Xing)作(Zuo)用(Yong)。(?)摊(Tan)铺(Pu)机(Ji)是(Shi)沥(Li)青(Qing)路(Lu)面(Mian)施(Shi)工(Gong)的(De)主(Zhu)要(Yao)设(She)备(Bei)。(?)其(Qi)性(Xing)能(Neng)和(He)运(Yun)行(Xing)对(Dui)路(Lu)面(Mian)平(Ping)整(Zheng)度(Du)有(You)很(Hen)大(Da)影(Ying)响(Xiang)。(?)摊(Tan)铺(Pu)机(Ji)结(Jie)构(Gou)参(Can)数(Shu)不(Bu)稳(Wen)定(Ding),(?)行(Xing)走(Zou)装(Zhuang)置(Zhi)打(Da)滑(Hua),(?)摊(Tan)铺(Pu)速(Su)度(Du)不(Bu)均(Jun)匀(Yun),(?)机(Ji)械(Xie)启(Qi)动(Dong)和(He)紧(Jin)急(Ji)制(Zhi)动(Dong)剧(Ju)烈(Lie),(?)给(Gei)料(Liao)系(Xi)统(Tong)速(Su)度(Du)快(Kuai)或(Huo)慢(Man),(?)都(Du)会(Hui)引(Yin)起(Qi)路(Lu)面(Mian)不(Bu)规(Gui)则(Ze)和(He)波(Bo)浪(Lang)。(?)
(?) (?)1.4碾(Nian)压(Ya)作(Zuo)业(Ye)对(Dui)沥(Li)青(Qing)路(Lu)面(Mian)的(De)平(Ping)整(Zheng)度(Du)有(You)重(Zhong)要(Yao)影(Ying)响(Xiang)。(?)碾(Nian)压(Ya)机(Ji)械(Xie)的(De)选(Xuan)择(Ze)、(?)碾(Nian)压(Ya)温(Wen)度(Du)、(?)速(Su)度(Du)、(?)路(Lu)线(Xian)、(?)顺(Shun)序(Xu)等(Deng)都(Du)与(Yu)路(Lu)面(Mian)的(De)平(Ping)整(Zheng)度(Du)有(You)关(Guan)。(?)((?)1)(?)滚(Gun)筒(Tong)型(Xing)号(Hao)。(?)采(Cai)用(Yong)低(Di)频(Pin)高(Gao)振(Zhen)幅(Fu)压(Ya)路(Lu)机(Ji),(?)会(Hui)出(Chu)现(Xian)“(?)跳(Tiao)”(?)捣(Dao)现(Xian)象(Xiang),(?)破(Po)坏(Huai)路(Lu)面(Mian)平(Ping)整(Zheng)度(Du)。(?)压(Ya)路(Lu)机(Ji)初(Chu)压(Ya)吨(Dun)位(Wei)过(Guo)大(Da)也(Ye)会(Hui)引(Yin)起(Qi)新(Xin)铺(Pu)路(Lu)面(Mian)的(De)推(Tui)出(Chu)变(Bian)形(Xing)。(?)((?)2)(?)轧(Zha)制(Zhi)温(Wen)度(Du)。(?)初(Chu)压(Ya)温(Wen)度(Du)高(Gao)的(De)压(Ya)路(Lu)机(Ji)轮(Lun)距(Ju)明(Ming)显(Xian),(?)沥(Li)青(Qing)料(Liao)前(Qian)后(Hou)移(Yi)动(Dong)大(Da),(?)不(Bu)稳(Wen)定(Ding)。(?)再(Zai)压(Ya)实(Shi)温(Wen)度(Du)高(Gao)的(De)压(Ya)路(Lu)机(Ji),(?)会(Hui)使(Shi)沥(Li)青(Qing)细(Xi)料(Liao)粘(Zhan)结(Jie),(?)飞(Fei)溅(Jian)出(Chu)细(Xi)小(Xiao)的(De)杂(Za)物(Wu),(?)影(Ying)响(Xiang)路(Lu)面(Mian)的(De)级(Ji)配(Pei)。(?)如(Ru)果(Guo)温(Wen)度(Du)太(Tai)低(Di),(?)就(Jiu)不(Bu)容(Rong)易(Yi)压(Ya)实(Shi)和(He)光(Guang)滑(Hua)。(?)((?)3)(?)滚(Gun)动(Dong)速(Su)度(Du)。(?)不(Bu)均(Jun)匀(Yun)的(De)碾(Nian)压(Ya)速(Su)度(Du)、(?)突(Tu)然(Ran)的(De)制(Zhi)动(Dong)和(He)起(Qi)动(Dong)、(?)随(Sui)机(Ji)的(De)停(Ting)车(Che)和(He)掉(Diao)头(Tou)、(?)在(Zai)碾(Nian)压(Ya)路(Lu)面(Mian)上(Shang)停(Ting)车(Che)而(?)不(Bu)关(Guan)闭(Bi)振(Zhen)动(Dong)装(Zhuang)置(Zhi)等(Deng)都(Du)会(Hui)引(Yin)起(Qi)路(Lu)面(Mian)的(De)推(Tui)压(Ya),(?)在(Zai)未(Wei)冷(Leng)却(Que)的(De)路(Lu)面(Mian)上(Shang)停(Ting)车(Che)时(Shi)会(Hui)出(Chu)现(Xian)塌(Ta)陷(Xian)槽(Cao)。(?)((?)4)(?)滚(Gun)动(Dong)路(Lu)线(Xian)。(?)碾(Nian)压(Ya)路(Lu)线(Xian)不(Bu)当(Dang),(?)不(Bu)注(Zhu)意(Yi)错(Cuo)轮(Lun)碾(Nian)压(Ya),(?)路(Lu)面(Mian)会(Hui)不(Bu)平(Ping)整(Zheng)。(?)每(Mei)当(Dang)道(Dao)路(Lu)在(Zai)同(Tong)一(Yi)横(Heng)截(Jie)面(Mian)上(Shang)转(Zhuan)弯(Wan)时(Shi),(?)路(Lu)面(Mian)就(Jiu)会(Hui)不(Bu)平(Ping)。(?)_滚(Gun)动(Dong)次(Ci)数(Shu)。(?)碾(Nian)压(Ya)遍(Bian)数(Shu)不(Bu)足(Zu),(?)即(Ji)压(Ya)实(Shi)不(Bu)足(Zu),(?)通(Tong)车(Che)后(Hou)形(Xing)成(Cheng)车(Che)辙(Zhe);(?)碾(Nian)压(Ya)遍(Bian)数(Shu)过(Guo)多(Duo),(?)由(You)于(Yu)短(Duan)时(Shi)间(Jian)集(Ji)中(Zhong)反(Fan)复(Fu)碾(Nian)压(Ya),(?)会(Hui)使(Shi)路(Lu)面(Mian)形(Xing)成(Cheng)向(Xiang)前(Qian)移(Yi)动(Dong),(?)形(Xing)成(Cheng)裂(Lie)隙(Xi)波(Bo)。(?)_主(Zhu)动(Dong)轮(Lun)和(He)方(Fang)向(Xiang)盘(Pan)前(Qian)后(Hou)控(Kong)制(Zhi)。(?)如(Ru)果(Guo)从(Cong)动(Dong)轮(Lun)在(Zai)前(Qian)面(Mian),(?)由(You)于(Yu)从(Cong)动(Dong)轮(Lun)本(Ben)身(Shen)没(Mei)有(You)驱(Qu)动(Dong)力(Li),(?)由(You)后(Hou)轮(Lun)推(Tui)动(Dong),(?)混(Hun)合(He)气(Qi)将(Jiang)向(Xiang)前(Qian)移(Yi)动(Dong),(?)向(Xiang)后(Hou)移(Yi)动(Dong)时(Shi)在(Zai)车(Che)轮(Lun)前(Qian)面(Mian)留(Liu)下(Xia)波(Bo)浪(Lang)。(?)
(?) (?)1.5接(Jie)缝(Feng)的(De)影(Ying)响(Xiang)包(Bao)括(Kuo)纵(Zong)向(Xiang)接(Jie)缝(Feng)和(He)横(Heng)向(Xiang)接(Jie)缝(Feng)((?)工(Gong)作(Zuo)缝(Feng))(?)。(?)当(Dang)接(Jie)缝(Feng)处(Chu)理(Li)不(Bu)当(Dang)时(Shi),(?)经(Jing)常(Chang)出(Chu)现(Xian)的(De)缺(Que)陷(Xian)是(Shi)接(Jie)缝(Feng)处(Chu)的(De)下(Xia)垂(Chui)或(Huo)凸(Tu)起(Qi),(?)以(Yi)及(Ji)由(You)于(Yu)接(Jie)缝(Feng)的(De)压(Ya)实(Shi)和(He)粘(Zhan)合(He)强(Qiang)度(Du)不(Bu)足(Zu)而(?)产(Chan)生(Sheng)的(De)裂(Lie)缝(Feng)或(Huo)松(Song)动(Dong)。(?)
(?) (?)二(?)、(?)提(Ti)高(Gao)路(Lu)基(Ji)路(Lu)面(Mian)基(Ji)层(Ceng)平(Ping)整(Zheng)度(Du)的(De)措(Cuo)施(Shi)
(?) (?)((?)1)(?)严(Yan)格(Ge)控(Kong)制(Zhi)填(Tian)料(Liao)。(?)一(Yi)般(Ban)情(Qing)况(Kuang)下(Xia),(?)应(Ying)使(Shi)用(Yong)塑(Su)性(Xing)指(Zhi)数(Shu)和(He)含(Han)水(Shui)量(Liang)符(Fu)合(He)规(Gui)范(Fan)的(De)砾(Li)石(Shi)和(He)土(Tu)壤(Rang),(?)不(Bu)得(De)使(Shi)用(Yong)淤(Yu)泥(Ni)、(?)沼(Zhao)泽(Ze)土(Tu)、(?)冻(Dong)土(Tu)、(?)有(You)机(Ji)土(Tu)、(?)草(Cao)皮(Pi)土(Tu)、(?)生(Sheng)活(Huo)垃(La)圾(Ji)和(He)含(Han)腐(Fu)殖(Zhi)质(Zhi)的(De)土(Tu)壤(Rang)。(?)
(?) (?)((?)2)(?)施(Shi)工(Gong)严(Yan)格(Ge)规(Gui)范(Fan)。(?)路(Lu)基(Ji)施(Shi)工(Gong)应(Ying)严(Yan)格(Ge)按(An)照(Zhao)现(Xian)行(Xing)《(?)公(Gong)路(Lu)路(Lu)基(Ji)施(Shi)工(Gong)技(Ji)术(Shu)规(Gui)范(Fan)》(?)的(De)要(Yao)求(Qiu)进(Jin)行(Xing),(?)最(Zui)佳(Jia)含(Han)水(Shui)量(Liang)、(?)松(Song)铺(Pu)厚(Hou)度(Du)和(He)相(Xiang)应(Ying)的(De)碾(Nian)压(Ya)遍(Bian)数(Shu)、(?)最(Zui)佳(Jia)机(Ji)械(Xie)配(Pei)合(He)比(Bi)和(He)d用(Yong)不(Bu)同(Tong)机(Ji)具(Ju)压(Ya)实(Shi)不(Bu)同(Tong)填(Tian)料(Liao)的(De)施(Shi)工(Gong)组(Zu)织(Zhi)应(Ying)通(Tong)过(Guo)试(Shi)验(Yan)段(Duan)确(Que)定(Ding),(?)并(Bing)由(You)具(Ju)有(You)一(Yi)定(Ding)质(Zhi)量(Liang)的(De)施(Shi)工(Gong)队(Dui)伍(Wu)确(Que)定(Ding)。(?)看(Kan)看(Kan)。(?)
(?) (?)((?)3)(?)完(Wan)善(Shan)路(Lu)基(Ji)排(Pai)水(Shui)系(Xi)统(Tong)。(?)为(Wei)使(Shi)路(Lu)基(Ji)保(Bao)持(Chi)干(Gan)燥(Zao)、(?)坚(Jian)实(Shi)、(?)稳(Wen)定(Ding)状(Zhuang)态(Tai),(?)对(Dui)影(Ying)响(Xiang)路(Lu)基(Ji)稳(Wen)定(Ding)性(Xing)的(De)地(Di)表(Biao)水(Shui)进(Jin)行(Xing)截(Jie)留(Liu),(?)排(Pai)除(Chu)在(Zai)路(Lu)基(Ji)区(Qu)外(Wai),(?)防(Fang)止(Zhi)洪(Hong)水(Shui)、(?)堆(Dui)积(Ji)和(He)渗(Shen)漏(Lou)。(?)
(?) (?)在(Zai)实(Shi)际(Ji)施(Shi)工(Gong)中(Zhong),(?)一(Yi)般(Ban)遵(Zun)循(Xun)以(Yi)下(Xia)原(Yuan)则(Ze):(?)
(?) (?)((?)1)(?)由(You)外(Wai)侧(Ce)向(Xiang)中(Zhong)心(Xin)或(Huo)由(You)低(Di)侧(Ce)向(Xiang)上(Shang)坡(Po)方(Fang)向(Xiang)碾(Nian)压(Ya),(?)轮(Lun)宽(Kuan)重(Zhong)叠(Die)1/2。(?)
(?) (?)((?)2)(?)初(Chu)始(Shi)压(Ya)力(Li)为(Wei)静(Jing)压(Ya),(?)二(?)次(Ci)压(Ya)力(Li)为(Wei)振(Zhen)动(Dong)压(Ya)路(Lu)机(Ji)或(Huo)大(Da)型(Xing)轮(Lun)胎(Tai)压(Ya)路(Lu)机(Ji)。(?)_最(Zui)终(Zhong)压(Ya)力(Li)应(Ying)使(Shi)用(Yong)双(Shuang)轮(Lun)滚(Gun)筒(Tong)压(Ya)路(Lu)机(Ji)或(Huo)具(Ju)有(You)封(Feng)闭(Bi)振(Zhen)动(Dong)功(Gong)能(Neng)的(De)振(Zhen)动(Dong)压(Ya)路(Lu)机(Ji)进(Jin)行(Xing),(?)直(Zhi)到(Dao)消(Xiao)除(Chu)轮(Lun)轨(Gui)为(Wei)止(Zhi)。(?)为(Wei)避(Bi)免(Mian)碾(Nian)压(Ya)时(Shi)混(Hun)合(He)料(Liao)堆(Dui)积(Ji),(?)主(Zhu)动(Dong)轮(Lun)应(Ying)朝(Chao)向(Xiang)摊(Tan)铺(Pu)机(Ji),(?)主(Zhu)动(Dong)轮(Lun)应(Ying)在(Zai)后(Hou)面(Mian),(?)使(Shi)碾(Nian)压(Ya)路(Lu)线(Xian)和(He)方(Fang)向(Xiang)不(Bu)会(Hui)突(Tu)然(Ran)改(Gai)变(Bian)。(?)控(Kong)制(Zhi)压(Ya)路(Lu)机(Ji)井(Jing)的(De)碾(Nian)压(Ya)程(Cheng)度(Du),(?)初(Chu)压(Ya)速(Su)度(Du)控(Kong)制(Zhi)在(Zai)2公(Gong)里(Li)/小(Xiao)时(Shi)左(Zuo)右(You),(?)复(Fu)压(Ya)速(Su)度(Du)控(Kong)制(Zhi)在(Zai)4公(Gong)里(Li)/小(Xiao)时(Shi)左(Zuo)右(You),(?)终(Zhong)压(Ya)速(Su)度(Du)控(Kong)制(Zhi)在(Zai)3公(Gong)里(Li)/小(Xiao)时(Shi)左(Zuo)右(You)。(?)
(?) (?)结(Jie)论(Lun):(?)路(Lu)面(Mian)平(Ping)整(Zheng)度(Du)应(Ying)满(Man)足(Zu)行(Xing)车(Che)舒(Shu)适(Shi)性(Xing)要(Yao)求(Qiu)。(?)从(Cong)路(Lu)基(Ji)施(Shi)工(Gong)准(Zhun)备(Bei)阶(Jie)段(Duan)就(Jiu)要(Yao)注(Zhu)意(Yi)。(?)参(Can)加(Jia)公(Gong)路(Lu)建(Jian)设(She)项(Xiang)目(Mu)的(De)施(Shi)工(Gong)单(Dan)位(Wei)都(Du)负(Fu)有(You)责(Ze)任(Ren)。(?)须(Xu)加(Jia)强(Qiang)施(Shi)工(Gong)管(Guan)理(Li),(?)改(Gai)进(Jin)施(Shi)工(Gong)工(Gong)艺(Yi)和(He)施(Shi)工(Gong)方(Fang)法(Fa),(?)提(Ti)高(Gao)施(Shi)工(Gong)质(Zhi)量(Liang),(?)从(Cong)源(Yuan)头(Tou)和(He)根(Gen)本(Ben)上(Shang)提(Ti)高(Gao)施(Shi)工(Gong)质(Zhi)量(Liang)。(?)要(Yao)解(Jie)决(Jue)这(Zhe)些(Xie)问(Wen)题(Ti),(?)须(Xu)保(Bao)证(Zheng)社(She)会(Hui)效(Xiao)益(Yi)和(He)社(She)会(Hui)质(Zhi)量(Liang)