Yuav ua li cas txheeb xyuas cov khoom faib ntawm lub paver?

1. Kev tshuaj xyuas ua ntej kev tsim kho
1. Tshawb xyuas cov khoom siv kauv: Tshawb xyuas seb cov hniav ntawm cov khoom siv kauv puas tau teeb tsa kom raug thiab zoo lawm, seb lub kauv ncej tig tau yooj yim, thiab seb puas muaj qhov deformation lossis hnav. Yog tias cov hniav puas, deformed lossis ploj lawm, nws yuav cuam tshuam rau kev thawb thiab faib cov khoom; Yog hais tias tus kauv ncej tig inflexibly, nws yuav ua rau cov khoom thauj tsis sib xws. Piv txwv li, yog tias cov hniav tawg los yog deformed, lawv tsis tuaj yeem tsav cov khoom ib txwm thaum lub sij hawm tig, ua rau muaj teeb meem hauv kev faib khoom.
2. Kho cov saw scraper: xyuas kom meej tias qhov nro ntawm cov saw hlau scraper yog nruab nrab thiab kev sib txuas ntawm cov scraper thiab cov saw hlau ruaj khov. Yog tias cov saw hlau scraper xoob dhau lawm, cov khoom thauj khoom yuav tsis muaj zog thiab ua rau cov khoom sib txuam; yog tias nws nruj heev, nws yuav ua rau kom hnav ntawm cov saw thiab cov scraper, thiab tseem ua rau cov saw hlau tawg. Nyob rau tib lub sijhawm, xyuas qhov hnav ntawm scraper. Kev hnav ntau dhau ntawm lub scraper yuav cuam tshuam rau qhov cuam tshuam ntawm cov khoom, thiab tom qab ntawd cuam tshuam rau cov khoom faib.
3. Tshawb xyuas cov screed: xyuas seb lub hauv qab ntawm lub screed yog tiaj thiab du, thiab seb puas muaj qhov deformation, hnav los yog nplaum. Ib qho tsis sib xws screed yuav ua rau txoj kev tsis sib xws tom qab paving, cuam tshuam rau qhov sib xws ntawm cov khoom faib. Yog tias muaj cov khoom siv ntawm lub phaj screed, kev sib txhuam ntawm cov phaj screed thiab cov khoom yuav nce ntxiv, cuam tshuam cov nyhuv paving ntawm cov khoom.
2. Kev tshuaj xyuas thaum lub sij hawm tsim kho
1. Saib xyuas qhov ntws ntawm cov ntaub ntawv: Thaum lub paver ua haujlwm, saib tag nrho cov txheej txheem ntws ntawm cov khoom los ntawm lub hopper mus rau lub kauv distributor los ntawm scraper, thiab tom qab ntawd mus rau pem hauv ntej ntawm lub phaj screed. Xyuas seb cov khoom ntws tsis tu ncua thiab sib npaug, thiab seb puas muaj kev cuam tshuam, cuam tshuam lossis sib sau ua ke. Piv txwv li, yog tias cov khoom raug pom los ntawm cov khoom siv ntawm cov khoom siv kauv, nws yuav yog qhov ceev ntawm cov kauv distributor tsis tsim nyog lossis lub kaum sab xis yog teeb meem; Yog hais tias cov khoom yog sau nyob rau hauv pem hauv ntej ntawm lub screed phaj, nws tej zaum yuav hais tias qhov siab los yog elevation ntawm lub screed phaj yog tsis tsim nyog.
2. Tshawb xyuas cov paving thickness: Siv cov cuab yeej ntsuas xws li cov kav hlau lossis lub ntsuas tuab kom ntsuas qhov tuab ntawm cov pavement tom qab paving. Ntsuas ntawm qhov chaw sib txawv, suav nrog ob sab, nruab nrab, thiab cov pob qij txha ntawm paver, kom ntseeg tau tias cov paving thickness ua tau raws li cov qauv tsim. Yog tias cov paving thickness tsis sib npaug, nws txhais tau hais tias muaj teeb meem nrog kev faib khoom thiab nws yuav tsum tau hloov kho raws sijhawm. Piv txwv li, yog tias qhov paving thickness ntawm ib ntu yog tuab dua ntawm ib sab thiab nyias nyias ntawm sab nraud, nws yuav yog tias cov khoom siv kis tau los ntawm tus muab kauv rau ntawm sab tsis sib xws.
3. Saib xyuas qhov flatness ntawm txoj kev nto: xyuas qhov flatness ntawm txoj kev nto tom qab paving los ntawm kev pom kev pom los yog siv cov cuab yeej nrhiav kom tau flatness, xws li laser flatness meter. Yog hais tias txoj kev nto yog wavy, pothole-zoo li, los yog tsis sib xws, nws txhais tau hais tias cov khoom yog unevenly faib, ua rau lub zog tsis sib xws ntawm lub screed thaum paving. Piv txwv li, tsis sib npaug ntawm cov khoom siv nyob rau hauv screed yuav ua rau cov screed mus rau qhov sib txawv ntawm qhov chaw sib txawv, yog li cuam tshuam rau qhov flatness ntawm txoj kev nto.
4. Txheeb xyuas cov khoom siv kub: Siv lub ntsuas kub ntsuas kub los ntsuas qhov ntsuas kub ntawm cov khoom kom ntseeg tau tias cov khoom kub nyob hauv qhov tsim nyog. Cov khoom siv kub dhau los yog qis dhau yuav cuam tshuam rau nws cov dej ntws thiab paving, ua rau cov khoom tsis sib xws. Piv txwv li, cov ntaub ntawv uas muaj qhov kub thiab txias heev yog ib qho yooj yim mus ntws thiab nyuaj rau tswj lawv tis; cov ntaub ntawv uas muaj qhov kub thiab txias heev yuav ua viscous thiab nyuaj rau kis tusyees.
3. Kev tshuaj xyuas tom qab kev tsim kho
1. Core sampling: Tom qab paving tiav lawm, core sampling yog ua nyob rau hauv txoj kev nto los soj ntsuam kev faib ntawm cov ntaub ntawv nyob rau hauv lub hauv paus qauv. Tshawb xyuas seb qhov kev faib tawm ntawm cov aggregate thiab asphalt hauv cov qauv tseem ceeb yog qhov sib xws thiab seb puas muaj kev sib cais. Yog tias muaj qhov pom tseeb sib sau ua ke lossis thaj chaw asphalt enrichment hauv cov qauv tseem ceeb, nws txhais tau hais tias cov khoom siv tsis sib xws thaum lub sijhawm ua paving.
2. Compactness test: Siv cov khoom siv compaction test, xws li nuclear density meter los yog sand filling method, los ntsuam xyuas qhov compaction ntawm txoj kev nto. Compaction tsis sib xws yuav tshwm sim los ntawm kev faib khoom tsis sib xws. Piv txwv li, lub compaction yog qis dua nyob rau hauv cov cheeb tsam nrog tsawg dua cov khoom faib, thaum lub compaction yog siab dua nyob rau hauv cov cheeb tsam uas muaj ntau yam khoom faib.
3. Saib xyuas qhov zoo ntawm txoj kev nto: Ua tib zoo saib qhov zoo ntawm txoj kev nto los xyuas kom pom cov cim kev sib cais, xim sib txawv lossis tsis sib xws. Kev sib cais tuaj yeem ua rau cov tsos mob tsis xws luag xws li ntxuav hniav dawb thiab roughness ntawm txoj kev nto, cuam tshuam rau qhov zoo thiab qhov tsos ntawm txoj kev nto. Piv txwv li, nyob rau hauv cov cheeb tsam uas muaj kev sib cais ntawm cov khoom hnyav, cov xim ntawm txoj kev nto yuav dhau los ua qhov sib dua thiab qhov kev ntxhib los mos ntawm qhov chaw yuav tsis meej.