欧美综合天天夜夜久久_女人高潮抽搐喷液30分钟视频_色欲久久久天天天综合网_精品无码国产一区二区三区av

馬路(lu)旁(pang)邊的(de)隔音墻I:列(lie)車(che)通過的(de)等效時(shi)(shi)間，按下式(shi)(shi)計(ji)算(suan)：式(shi)(shi)中：li —第(di)i類列(lie)車(che)的(de)列(lie)車(che)長度(du)(du)(du)（m）；vi —第(di)i類列(lie)車(che)的(de)列(lie)車(che)運(yun)行速度(du)(du)(du)（m/s）；d —預測點(dian)到(dao)線路(lu)的(de)距離(li)（m）。噪(zao)(zao)聲(sheng)修正(zheng)值的(de)計(ji)算(suan)：列(lie)車(che)運(yun)行噪(zao)(zao)聲(sheng)的(de)修正(zheng)項Ct,i，按下式(shi)(shi)計(ji)算(suan)：Ct,i = C t,v,i +Ct,θ+Ct,t +C t,d,i +C t,a, i +C t,g,i +C t,b,i +Ct,h,i式(shi)(shi)中：C t,v。等效時(shi)(shi)間teq i — 列(lie)車(che)運(yun)行噪(zao)(zao)聲(sheng)速度(du)(du)(du)修正(zheng)i — 列(lie)車(che)運(yun)行噪(zao)(zao)聲(sheng)建筑(zhu)群引起的(de)聲(sheng)衰(shuai)減，單位(wei)為dB。

馬路旁邊的(de)隔音墻(qiang)一些難以知道的(de)玻(bo)璃鋼(gang)隔音圍擋護欄板

馬(ma)路旁邊的隔音墻現場(chang)質檢(jian)(jian)員職(zhi)責1）貫徹執行項(xiang)目(mu)經理，項(xiang)目(mu)總工(gong)程師(shi)，質檢(jian)(jian)工(gong)程師(shi)和監理工(gong)程師(shi)有關工(gong)作(zuo)指令，跟班(ban)至(zhi)現場(chang)隨(sui)時(shi)掌握(wo)質量動態。2）嚴格(ge)按施工(gong)技術規范進行檢(jian)(jian)驗。3）及時(shi)發(fa)現施工(gong)中發(fa)生的技術問題并(bing)糾正或上報。4）嚴肅認真(zhen)填寫施工(gong)現場(chang)中的各種原(yuan)始檢(jian)(jian)測資料。

馬路旁(pang)邊(bian)的隔音墻為了(le)不(bu)影響后(hou)方(fang)車輛的正常(chang)通(tong)行(xing)，民(min)警與路政(zheng)人員(yuan)在(zai)(zai)后(hou)方(fang)設置(zhi)分流提示繞行(xing)的同(tong)時(shi)，積極商討(tao)救(jiu)援辦(ban)法，先是從武寧縣城調來了(le)大型吊車等救(jiu)援設備，但(dan)在(zai)(zai)經(jing)(jing)過(guo)嘗試(shi)后(hou)仍然無(wu)法改變大掛車被困的事實。最后(hou)在(zai)(zai)不(bu)得(de)以的情況下，民(min)警及路政(zheng)人員(yuan)只(zhi)好聯合(he)排(pai)障等部門對(dui)路邊(bian)的高速公路隔音圍(wei)擋(dang)護(hu)欄(lan)板(ban)進行(xing)拆除，經(jing)(jing)過(guo)十多個人近兩(liang)個小(xiao)時(shi)的努力(li)，在(zai)(zai)連續拆除多根隔音圍(wei)擋(dang)護(hu)欄(lan)板(ban)立柱后(hou)，“巨無(wu)霸”半掛車才得(de)以脫身。

馬路旁邊(bian)的(de)(de)(de)隔音墻重視(shi)材料(liao)供應(ying)(ying)過(guo)程(cheng)(cheng)(cheng)中的(de)(de)(de)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)管(guan)理(li)并加強施(shi)工(gong)(gong)(gong)過(guo)程(cheng)(cheng)(cheng)的(de)(de)(de)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)控制(zhi)。具體措施(shi)如下(xia)：⑴ 嚴格(ge)按質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)標準(zhun)訂(ding)貨，采購(gou)，運輸，保管(guan)和(he)供應(ying)(ying)。各種材料(liao)進(jin)(jin)場(chang)前必須(xu)附有真實(shi)的(de)(de)(de)出(chu)(chu)廠合格(ge)證(zheng)和(he)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)保，按規(gui)定(ding)取樣進(jin)(jin)行試驗(yan)，檢驗(yan)合格(ge)后才能采購(gou)進(jin)(jin)場(chang)。確保不(bu)(bu)合格(ge)材料(liao)不(bu)(bu)準(zhun)進(jin)(jin)場(chang)，不(bu)(bu)合格(ge)的(de)(de)(de)材料(liao)不(bu)(bu)準(zhun)使(shi)用。保管(guan)中防止損壞變質(zhi)(zhi)(zhi)(zhi)，不(bu)(bu)同(tong)型號規(gui)格(ge)的(de)(de)(de)材料(liao)不(bu)(bu)得混裝混存。⑵ 綜(zong)合考(kao)慮(lv)施(shi)工(gong)(gong)(gong)現場(chang)條(tiao)件，合理(li)選用配置各種施(shi)工(gong)(gong)(gong)機械及(ji)設(she)備。對操(cao)作(zuo)人(ren)員(yuan)(yuan)實(shi)行定(ding)人(ren)定(ding)機，定(ding)崗定(ding)責。質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)保證(zheng)措施(shi)首先抓(zhua)好施(shi)工(gong)(gong)(gong)準(zhun)備過(guo)程(cheng)(cheng)(cheng)的(de)(de)(de)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)管(guan)理(li)操(cao)作(zuo)人(ren)員(yuan)(yuan)嚴格(ge)遵守(shou)操(cao)作(zuo)規(gui)程(cheng)(cheng)(cheng)未(wei)經(jing)驗(yan)收合格(ge)不(bu)(bu)得進(jin)(jin)入下(xia)一道工(gong)(gong)(gong)序的(de)(de)(de)施(shi)工(gong)(gong)(gong)。⑹ 加強原材料(liao)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)控制(zhi)定(ding)期進(jin)(jin)行匯(hui)計(ji)，作(zuo)出(chu)(chu)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)動(dong)態分析，以利搞好質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)管(guan)理(li)工(gong)(gong)(gong)作(zuo)，不(bu)(bu)斷提高工(gong)(gong)(gong)程(cheng)(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)。

馬路旁邊的(de)(de)隔音墻項(xiang)(xiang)目(mu)質(zhi)(zhi)(zhi)檢(jian)(jian)工(gong)(gong)(gong)(gong)(gong)程(cheng)師(shi)職(zhi)責(ze)(ze)1）在(zai)項(xiang)(xiang)目(mu)總工(gong)(gong)(gong)(gong)(gong)程(cheng)師(shi)指導下，全(quan)面負(fu)責(ze)(ze)項(xiang)(xiang)目(mu)質(zhi)(zhi)(zhi)量(liang)(liang)監(jian)(jian)(jian)督(du)檢(jian)(jian)查(cha)(cha)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)。2）協助項(xiang)(xiang)目(mu)總工(gong)(gong)(gong)(gong)(gong)程(cheng)師(shi)項(xiang)(xiang)目(mu)質(zhi)(zhi)(zhi)量(liang)(liang)管(guan)理和質(zhi)(zhi)(zhi)量(liang)(liang)保證體系(xi)的(de)(de)日常工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)。3）負(fu)責(ze)(ze)工(gong)(gong)(gong)(gong)(gong)程(cheng)施(shi)工(gong)(gong)(gong)(gong)(gong)原始記錄表(biao)格(ge)（檢(jian)(jian)查(cha)(cha)證）中屬于質(zhi)(zhi)(zhi)檢(jian)(jian)負(fu)責(ze)(ze)人檢(jian)(jian)查(cha)(cha)簽證的(de)(de)各項(xiang)(xiang)簽認事宜，按(an)規定時間向上級(ji)報送(song)工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)統計報告。4）負(fu)責(ze)(ze)施(shi)工(gong)(gong)(gong)(gong)(gong)全(quan)過程(cheng)的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)監(jian)(jian)(jian)督(du)，檢(jian)(jian)查(cha)(cha)及各項(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)序交接的(de)(de)質(zhi)(zhi)(zhi)量(liang)(liang)驗收工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)。5）負(fu)責(ze)(ze)配合業主，監(jian)(jian)(jian)理工(gong)(gong)(gong)(gong)(gong)程(cheng)師(shi)，公司質(zhi)(zhi)(zhi)檢(jian)(jian)部(bu)(bu)(bu)進(jin)行(xing)有關工(gong)(gong)(gong)(gong)(gong)程(cheng)量(liang)(liang)檢(jian)(jian)查(cha)(cha)及各種原始記錄。工(gong)(gong)(gong)(gong)(gong)程(cheng)檢(jian)(jian)查(cha)(cha)證的(de)(de)簽字驗收工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)經(jing)檢(jian)(jian)驗屬不合格(ge)材料不準使(shi)用(yong)。8）參加項(xiang)(xiang)目(mu)經(jing)理部(bu)(bu)(bu)組織(zhi)的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)檢(jian)(jian)查(cha)(cha)及有關工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)方面的(de)(de)會議，對該項(xiang)(xiang)目(mu)采用(yong)的(de)(de)新(xin)(xin)技(ji)術(shu)，新(xin)(xin)工(gong)(gong)(gong)(gong)(gong)藝在(zai)實施(shi)過程(cheng)中對其(qi)關鍵工(gong)(gong)(gong)(gong)(gong)序進(jin)行(xing)檢(jian)(jian)查(cha)(cha)。9）組織(zhi)項(xiang)(xiang)目(mu)經(jing)理部(bu)(bu)(bu)每周一(yi)次的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)檢(jian)(jian)查(cha)(cha)。10）對由于質(zhi)(zhi)(zhi)檢(jian)(jian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)疏漏，失職(zhi)造(zao)成的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量(liang)(liang)承(cheng)擔(dan)責(ze)(ze)任。

馬路旁邊(bian)的隔(ge)音(yin)墻技(ji)術(shu)指(zhi)標：

1、聲學性能

（1）吸(xi)聲(sheng)系(xi)數(shu)(shu)α： 高吸(xi)聲(sheng)系(xi)數(shu)(shu)0.95；

（2）隔聲(sheng)指數(shu)Rw：26dB(A)以上；

（3）降噪系數(shu)NRC：0.8以上；

2、燃(ran)燒性能(neng)：B1級以上(shang)

3、使用(yong)壽命：屏體25年(nian)以上，鋼結構(gou)50年(nian)以上。

馬路旁邊的隔音墻性能特點：

1、優化屏體結構(gou)設計，屏體強度高，可承受(shou)3000N/m2載荷；

2、防(fang)排水設計，屏(ping)體更不易(yi)進水、內部無積水，有效(xiao)延長使用(yong)壽(shou)命(ming)；

3、裝(zhuang)配(pei)式施(shi)工，安裝(zhuang)過(guo)程周(zhou)期短、效率高、易(yi)維護(hu)保養；

4、屏體自(zi)重(zhong)輕便，面密度≦25kg/m2 可(ke)有(you)效減輕橋梁載荷；

5、設計(ji)安(an)全自鎖裝置，防止車(che)輛撞擊屏體墜落出(chu)現安(an)全事故；

6、抗風壓性能、抗沖擊性能均可(ke)達(da)到《鐵路(lu)聲屏障聲學構件技術要求及測試方法》（TB/T 3122—2010）要求。