Kev sib tham luv luv txog yam cuam tshuam rau kev tsim khoom zoo ntawm asphalt mixing nroj tsuag
Ib qho asphalt pob zeb sib xyaw cog ntxiv rau cov cuab yeej pabcuam tuaj yeem ua tiav cov txheej txheem ntawm asphalt qhob sib tov los ntawm cov khoom siv raw mus rau cov khoom tiav. Nws qhov xwm txheej yog sib npaug rau lub Hoobkas me. Hais txog tag nrho cov txheej txheem tsim khoom ntawm asphalt cog, peb sau cov ntsiab lus uas cuam tshuam rau kev tsim khoom zoo rau hauv 4M1E raws li cov qauv ib txwm muaj, xws li txiv neej, tshuab, khoom siv, txheej txheem thiab ib puag ncig. Kev tswj hwm ywj pheej nruj ntawm cov xwm txheej no, hloov kev tshuaj xyuas tom qab mus rau hauv kev tswj hwm, thiab hloov los ntawm kev tswj cov txiaj ntsig mus rau kev tswj hwm yam. Cov xwm txheej cuam tshuam tam sim no tau hais raws li hauv qab no:
1. Cov neeg ua haujlwm (txiv neej)
(1) Cov thawj coj saib xyuas yuav tsum muaj kev paub zoo txog kev tswj hwm tag nrho thiab ua txoj haujlwm zoo hauv kev kawm zoo rau engineering thiab cov neeg ua haujlwm thiab cov neeg ua haujlwm tsim khoom. Thaum lub sijhawm tsim khoom, lub tuam tsev muaj peev xwm tshaj tawm cov phiaj xwm tsim khoom yuav tsum tau ua, saib xyuas kev siv ntau yam kev cai thiab kev tswj hwm, thiab npaj thiab tswj hwm ntau txoj haujlwm txhawb nqa, xws li cov khoom siv, kev thauj khoom tiav, kev sib koom ua ke ntawm qhov chaw paving, thiab kev txhawb nqa logistics.
(2) Engineering thiab technical cov neeg ua haujlwm ua lub luag haujlwm txiav txim siab hauv kev sib xyaw ua haujlwm. Lawv yuav tsum tau coj thiab tswj xyuas kev ua haujlwm ntawm ntau txoj haujlwm tsim khoom, kom paub tseeb qhov kev ua tau zoo thiab cov qauv kev ua haujlwm ntawm cov khoom siv, khaws cov ntaub ntawv tsim khoom, ua tib zoo saib xyuas cov khoom siv, tshawb pom cov xwm txheej muaj kev phom sij thaum ntxov thiab txiav txim siab qhov laj thawj thiab xwm txheej. ntawm qhov xwm txheej. Tsim cov cuab yeej kho thiab tu cov phiaj xwm thiab cov tshuab. Asphalt mixtures yuav tsum tau ua raws li cov kev qhia uas yuav tsum tau los ntawm "Technical Specifications", thiab cov ntaub ntawv xws li gradation, kub thiab roj-pob zeb piv ntawm cov sib tov yuav tsum tau grasped nyob rau hauv raws sij hawm los ntawm kev kuaj, thiab cov ntaub ntawv yuav tsum tau. muab rov qab rau cov neeg ua haujlwm thiab cov chaw ua haujlwm uas muaj feem cuam tshuam kom muaj kev hloov pauv tau.
(3) Cov tswv lag luam yuav tsum muaj kev nkag siab zoo ntawm kev ua haujlwm thiab kev paub zoo, ua haujlwm tau zoo, thiab muaj kev txiav txim siab zoo thiab hloov kho thaum muaj qhov tsis ua tiav. Raws li kev taw qhia ntawm cov neeg ua haujlwm technical, ua haujlwm raws li tshooj thiab ua raws li cov txheej txheem daws teeb meem rau ntau hom kev ua txhaum.
(4) Cov kev xav tau rau kev ua haujlwm pabcuam hauv cov asphalt sib xyaw cog: ① Cov Hluav Taws Xob. Nws yog ib qho tsim nyog los ua kom paub qhov kev ua tau zoo thiab siv tag nrho cov khoom siv hluav taws xob, thiab ntsuas ntau yam ntsuas kev ua tau zoo; muaj kev nkag siab txog cov khoom siv hluav taws xob zoo tshaj plaws, kev hloov pauv thiab kev faib tawm, thiab tau txais kev sib cuag tsis tu ncua. Hais txog kev npaj hluav taws xob thiab lwm yam xwm txheej, cov neeg ua haujlwm cuam tshuam thiab cov chaw haujlwm ntawm asphalt cog yuav tsum tau ceeb toom ua ntej.
② Boilermaker. Thaum tsim cov asphalt sib tov, nws yog ib qho tsim nyog los saib xyuas kev ua haujlwm ntawm lub boiler txhua lub sijhawm thiab nkag siab txog cov roj hnyav, roj teeb thiab kua asphalt. Thaum siv asphalt barreled, nws yog ib qho tsim nyog yuav tau npaj tshem tawm cov thoob (thaum siv cov asphalt tuaj txawv teb chaws) thiab tswj cov asphalt kub.
③ Tus neeg ua haujlwm kho. Ua tib zoo saib xyuas cov khoom thauj khoom txias, xyuas seb lub vijtsam grating ntawm cov khoom txias hauv lub thawv puas raug thaiv, ceeb toom tam sim ntawm cov khoom siv tsis ua haujlwm thiab tshaj tawm rau cov saib xyuas thiab cov neeg ua haujlwm kom tshem tawm raws sijhawm. Tom qab kaw txhua txhua hnub, ua haujlwm niaj hnub ntawm cov khoom siv thiab ntxiv ntau hom roj lubricating. Cov khoom tseem ceeb yuav tsum tau ntim cov roj lubricating txhua hnub (xws li cov lauj kaub sib xyaw, cov kiv cua kiv cua), thiab cov roj theem ntawm cov ntxaij vab tshaus vibrating thiab cua compressors yuav tsum tau kuaj xyuas txhua hnub. Yog tias cov roj lubricating tau sau los ntawm cov neeg tsis muaj kev tshaj lij xws li cov neeg ua haujlwm tsiv teb tsaws chaw, nws yuav tsum tau ua kom ntseeg tau tias txhua lub roj filling lub qhov yog puv puv los tiv thaiv kev tawm tsam.
④Data manager. Lub luag haujlwm rau kev tswj cov ntaub ntawv thiab kev ua haujlwm hloov pauv. Kev khaws cov ntaub ntawv tseem ceeb, cov ntaub ntawv kev ua haujlwm thiab cov ntaub ntawv cuam tshuam ntawm cov cuab yeej yog ib qho tsim nyog rau kev tswj xyuas kom zoo thiab ua kom muaj kev ua haujlwm zoo ntawm cov tshuab. Nws yog thawj daim ntawv pov thawj rau kev tsim cov ntaub ntawv technical thiab muab lub hauv paus rau lub tuam txhab muaj peev xwm txiav txim siab thiab tsim khoom.
⑤ Loader tsav tsheb. Peb yuav tsum ua peb txoj hauj lwm tiag tiag thiab tsim kom muaj lub tswv yim tias qhov zoo yog lub neej ntawm kev lag luam. Thaum thauj cov ntaub ntawv, nws yog nruj me ntsis txwv tsis pub muab cov ntaub ntawv mus rau hauv lub warehouse tsis ncaj ncees lawm los yog sau lub warehouse. Thaum khaws cov ntaub ntawv, ib txheej ntawm cov ntaub ntawv yuav tsum tau tso rau hauv qab ntawm cov ntaub ntawv kom tsis txhob muaj av.
2. Cov tshuab
(1) Hauv cov txheej txheem tsim khoom ntawm asphalt sib tov, muaj tsawg kawg yog plaub qhov txuas los ntawm cov khoom siv txias rau cov khoom siv tiav, thiab lawv muaj kev sib txuas zoo. Tsis muaj qhov txuas tuaj yeem ua tsis tiav, txwv tsis pub nws yuav tsis tuaj yeem tsim cov khoom tsim nyog. ntawm cov khoom tiav lawm. Yog li ntawd, kev tswj hwm thiab kev saib xyuas cov cuab yeej siv tshuab yog qhov tseem ceeb heev.
(2) Nws tuaj yeem pom los ntawm cov txheej txheem tsim khoom ntawm cov nroj tsuag asphalt uas txhua yam ntawm cov khoom sib sau khaws cia hauv cov khoom vaj khoom tsev yog thauj mus rau cov khoom txias hauv lub thawv los ntawm lub loader, thiab tau thauj ntau los ntawm txoj siv me me mus rau qhov sib xyaw siv raws li cov khoom siv thauj khoom. yuav tsum tau gradation. Mus rau lub nruas ziab. Lub pob zeb yog cua sov los ntawm cov nplaim hluav taws uas tsim los ntawm cov roj hnyav combustion cua sov hauv lub nruas kom qhuav. Thaum cua sov, lub tshuab tshem tawm plua plav qhia cov cua kom tshem tawm cov plua plav tawm ntawm qhov sib sau. Cov khoom siv kub tsis muaj plua plav yog nqa mus rau qhov kev tshuaj ntsuam xyuas ntawm lub tshuab nqa lub thoob. Tom qab kev tshuaj ntsuam, cov aggregates ntawm txhua qib tau muab khaws cia rau hauv cov silos kub sib npaug. Txhua aggregate yog ntsuas rau tus nqi sib xws raws li qhov sib xyaw ua ke. Nyob rau tib lub sijhawm, cov ntxhia hmoov thiab asphalt kuj tau ntsuas rau tus nqi xav tau rau qhov sib tov sib xyaw. Tom qab ntawd cov sib sau ua ke, ore hmoov thiab asphalt (ntoo fiber ntau yuav tsum tau ntxiv rau hauv txheej txheej) muab tso rau hauv lub lauj kaub sib tov thiab nplawm rau qee lub sijhawm kom dhau los ua cov khoom tiav uas ua tau raws li qhov xav tau.
(3) Qhov chaw ntawm cov nroj tsuag sib xyaw yog qhov tseem ceeb heev. Txawm hais tias qhov kev siv hluav taws xob tuaj yeem lav tau, txawm tias qhov hluav taws xob ruaj khov, txawm tias txoj kev xa khoom yog du, thiab lwm yam, yuav tsum tau ua tib zoo xav.
(4) Lub caij rau kev tsim cov asphalt sib tov yog txij lub Tsib Hlis mus txog Lub Kaum Hli txhua xyoo, thiab qhov no yog lub sijhawm uas muaj kev lag luam thiab kev ua liaj ua teb siv hluav taws xob ntau hauv zej zog. Lub zog yog nruj, thiab cov hluav taws xob tsis tu ncua thiab tsis tau teem sijhawm tshwm sim los ntawm lub sijhawm. Kev teeb tsa lub tshuab hluav taws xob teeb tsa nrog lub peev xwm tsim nyog hauv cov nroj tsuag sib xyaw yog tsim nyog los xyuas kom meej qhov zoo ntawm cov cog cog.
(5) Txhawm rau kom ntseeg tau tias cov nroj tsuag sib xyaw yeej ib txwm ua haujlwm zoo, cov cuab yeej yuav tsum tau kho thiab tswj kom zoo. Thaum lub sijhawm kaw, kev tu thiab kev tshuaj xyuas niaj hnub yuav tsum tau ua raws li qhov yuav tsum tau ua ntawm cov khoom siv phau ntawv. Kev tu vaj tse yuav tsum tau ua los ntawm cov kws tshaj lij hluav taws xob thiab cov kws kho tshuab. Cov neeg ua haujlwm koom nrog cov khoom siv yuav tsum paub txog cov qauv kev ua haujlwm ntawm cov tshuab. Txhawm rau tiv thaiv cov pob zeb loj dhau los ntawm kev nkag mus rau cov khoom siv, cov khoom siv txias txias yuav tsum tau welded nrog ib daim phiaj (10cmx10cm). Txhua hom lubricants yuav tsum tau sau los ntawm cov neeg ua haujlwm siab, tshuaj xyuas ntau zaus, thiab khaws cia ntawm qib kev tu thiab tu. Piv txwv li, lub qhov rooj ntawm cov khoom tiav tuaj yeem qhib thiab kaw tau yooj yim los ntawm kev txau ib qho me me ntawm diesel tom qab nws raug kaw txhua hnub. Piv txwv li, yog tias lub qhov rooj sib tov lub lauj kaub tsis qhib thiab kaw kom zoo, nws tseem yuav cuam tshuam rau cov zis. Koj yuav tsum tsuag me ntsis diesel ntawm no thiab khawb tawm asphalt. Kev saib xyuas kom zoo yuav tsis tsuas yog txuas ntxiv lub neej kev pab cuam ntawm cov khoom siv thiab cov khoom siv, tab sis kuj txuag cov nqi thiab txhim kho cov txiaj ntsig kev lag luam.
(6) Thaum cov khoom tiav tiav lawm, yuav tsum tau them nyiaj rau kev tswj xyuas kev thauj mus los thiab kev sib koom tes nrog kev tsim kho. Vim tias lub peev xwm khaws cia ntawm asphalt sib tov yog txwv, nws yog ib qho tsim nyog yuav tsum muaj kev sib txuas lus zoo nrog txoj kev nto thiab tuav qhov yuav tsum tau sib tov kom tsis txhob muaj qhov tsis tsim nyog.
(7) Nws tuaj yeem pom los ntawm cov txheej txheem tsim khoom uas cov teeb meem kev thauj mus los muaj kev cuam tshuam ntau dua rau kev ua haujlwm ceev. Tsheb thauj mus los sib txawv ntawm qhov loj thiab ceev. Ntau lub tsheb ntau dhau yuav ua rau muaj kev sib tsoo, kev tsis sib haum xeeb, thiab kev dhia loj heev. Cov tsheb tsawg dhau lawm yuav ua rau cov nroj tsuag sib tov kaw thiab yuav tsum tau rov pib dua, cuam tshuam rau cov khoom tsim tawm, kev ua tau zoo, thiab cov khoom siv lub neej. Vim tias qhov chaw sib xyaw ua ke tau ruaj khov thiab cov khoom tso tawm tau ruaj khov, qhov chaw ua haujlwm paver hloov pauv, theem kev tsim kho hloov pauv, thiab qhov xav tau hloov pauv, yog li nws yuav tsum tau ua txoj haujlwm zoo hauv kev teem caij tsheb thiab tswj xyuas cov tsheb uas tau nqis peev los ntawm chav tsev. thiab lwm units.
3. Cov khoom siv
Coarse thiab nplua aggregates, pob zeb hmoov, asphalt, hnyav roj, lub teeb roj, cov khoom seem, thiab lwm yam yog cov khoom siv rau kev tsim cov dej cog. Raws li kev ua kom ntseeg tau cov khoom siv raw, lub zog, thiab cov khoom siv, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tshuaj xyuas lawv cov specifications, ntau yam, thiab zoo, thiab tsim kom muaj ib qho system rau sampling thiab kuaj cov ntaub ntawv raw ua ntej xaj. Kev tswj xyuas qhov zoo ntawm cov khoom siv raw yog tus yuam sij rau kev tswj cov khoom tiav.
(1) Kev sib tw. Aggregate tuaj yeem muab faib ua ntxhib thiab nplua. Nws qhov kev faib ua feem hauv asphalt sib tov thiab nws qhov zoo muaj feem cuam tshuam rau qhov zoo, kev tsim kho thiab kev ua haujlwm ntawm kev sib xyaw asphalt. Lub zog, hnav tus nqi, crushing tus nqi, solidity, particle loj gradation thiab lwm yam kev ntsuas ntawm cov aggregate yuav tsum tau raws li cov kev cai ntawm cov tshooj tshooj ntawm "Technical Specifications". Lub tsev cia khoom yuav tsum tau ua kom tawv nrog cov ntaub ntawv tsim nyog, ua nrog cov phab ntsa muab faib, thiab ntws zoo hauv qhov chaw nres tsheb. Thaum cov khoom siv nyob rau hauv kev ua haujlwm zoo, kev sib sau ua ke, cov ntsiab lus noo noo, cov ntsiab lus impurity, ntim ntim, thiab lwm yam yog ib qho tseem ceeb uas cuam tshuam rau kev tsim cov leaching thiab asphalt mixing chaw nres tsheb. Qee lub sij hawm cov sib sau ua ke muaj cov pob zeb loj, uas tuaj yeem ua rau qhov chaw nres nkoj thauj khoom raug thaiv thiab txoj siv yuav raug khawb. Vuam lub vijtsam thiab xa ib tus neeg los saib xyuas nws tuaj yeem daws qhov teeb meem. Qhov loj me me ntawm qee cov aggregates tsis ua raws li cov kev cai tshwj xeeb. Thaum ziab cov aggregate rau ib lub sij hawm, cov pov tseg tau nce, lub sij hawm tos rau qhov hnyav yog txuas ntxiv, muaj ntau dhau, thiab lub sij hawm tawm ntawm cov khoom tiav tau ntev heev. Qhov no tsis tsuas yog ua rau lub zog pov tseg, tab sis kuj tseem txwv cov khoom tsim tawm thiab cuam tshuam rau kev ua haujlwm ntawm cov khoom lag luam.Cov dej noo ntawm cov khoom sib xyaw tom qab los nag yog siab dhau, ua rau muaj teeb meem zoo xws li clogging ntawm lub hopper, tsis sib xws kom qhuav, ua raws li cov phab ntsa sab hauv. cua sov nruas, nyuaj rau kev tswj qhov kub thiab txias, thiab whitening ntawm aggregate. Txij li cov pob zeb tsim hauv zej zog tsis tau npaj tseg, thiab cov kev qhia tshwj xeeb ntawm txoj kev loj thiab cov ntaub ntawv tsim kho yog qhov sib txawv, cov txheej txheem ua tiav los ntawm cov pob zeb quarries feem ntau tsis ua raws li qhov yuav tsum tau ua, thiab cov khoom siv feem ntau tshaj qhov xav tau. Qee qhov tshwj xeeb ntawm cov khoom sib sau tau tawm ntawm Xinhe Expressway, yog li cov khoom siv tshwj xeeb thiab cov khoom siv yuav tsum tau tuav thiab cov ntaub ntawv npaj ua ntej.
(2) Hluav taws xob, roj teeb, roj hnyav thiab diesel. Lub zog tseem ceeb uas tsim los ntawm kev sib xyaw cog yog hluav taws xob, roj teeb, roj hnyav thiab diesel. Kev tsim hluav taws xob txaus thiab qhov hluav taws xob ruaj khov yog qhov tsim nyog lav rau kev tsim khoom. Nws yog ib qho tsim nyog yuav tsum tau ntsib nrog lub tuam tsev hluav taws xob sai li sai tau kom paub meej txog kev siv hluav taws xob, lub sij hawm siv hluav taws xob thiab lub luag haujlwm thiab cov cai ntawm ob tog khoom thiab cov neeg xav tau. Cov roj hnyav thiab lub teeb roj yog cov khoom siv hluav taws xob rau cov cua sov, boiler cua sov, asphalt decanning, thiab cua sov. Qhov no yuav tsum tau xyuas kom cov khoom siv rau cov roj hnyav thiab cov roj diesel.
(3) Khaws cov khoom seem. Thaum muas khoom, peb randomly yuav ib co tseem ceeb Cheebtsam thiab accessories uas tsis muaj kev hloov hauv tsev. Qee qhov hnav (xws li iav twj tso kua mis, solenoid li qub, relays, thiab lwm yam) yuav tsum tau khaws cia hauv Tshuag. Qee qhov chaw raug cuam tshuam los ntawm ntau yam thiab tsis tuaj yeem yuav tam sim no. Yog tias lawv tau npaj, lawv yuav tsis siv, thiab yog tias lawv tsis npaj, lawv yuav tsum tau hloov. Qhov no yuav tsum muaj engineering Technicians siv lawv lub hlwb ntau dua thiab muaj kev nkag siab zoo ntawm qhov xwm txheej tiag tiag. Engineering thiab technical cov neeg ua haujlwm saib xyuas cov tshuab thiab hluav taws xob engineering yuav tsum tsis txhob hloov ntau zaus. Qee cov roj foob, gaskets thiab cov pob qij txha tau ua tiav los ntawm koj tus kheej thiab cov txiaj ntsig tau zoo heev.
4. Txoj kev
(1) Txhawm rau kom cov asphalt sib xyaw cog kom ua tiav nws lub luag haujlwm thiab ua tiav kev tswj hwm zoo ntawm cov khoom sib xyaw, qhov chaw sib xyaw thiab cov chaw tswj hwm zoo yuav tsum tsim ntau lub tshuab thiab kev tshuaj xyuas zoo. Ua ntej pib tsim khoom, kev npaj rau cov khoom siv, tshuab, thiab cov qauv tsim yuav tsum tau ua. Thaum pib ntau lawm, peb yuav tsum xyuam xim rau kev tswj hwm ntawm qhov chaw tsim khoom, tsim kom muaj kev sib cuag zoo nrog cov paving seem ntawm txoj kev, paub meej tias cov kev qhia tshwj xeeb thiab qhov ntau ntawm qhov yuav tsum tau sib tov, thiab tsim kom muaj kev sib txuas lus zoo.
(2) Cov neeg ua haujlwm tsim khoom yuav tsum paub txog cov txheej txheem ua haujlwm, ua haujlwm nruj raws li cov lus qhia tshwj xeeb, tsim kom muaj kev nyab xeeb, txiav txim siab zoo, thiab ua raws li kev tswj hwm kev lag luam ntawm cov neeg ua haujlwm. Ua tib zoo saib xyuas kev ua haujlwm zoo ntawm txhua txoj haujlwm los xyuas kom meej qhov zoo ntawm tag nrho cov txheej txheem ntawm asphalt sib tov ntau lawm. Tsim thiab txhim kho kev tswj hwm kev nyab xeeb thiab kev tiv thaiv kev nyab xeeb. Dai cov cim ceeb toom kev nyab xeeb ntawm txhua qhov chaw sib kis thiab lub cev muaj zog thiab cov khoom siv hluav taws xob ntawm asphalt cog. Muab cov khoom siv tua hluav taws, xa cov ntawv thiab cov neeg ua haujlwm, thiab txwv tsis pub cov neeg ua haujlwm tsis tsim khoom nkag mus rau qhov chaw tsim kho. Tsis muaj leej twg raug tso cai nyob lossis txav mus rau hauv qab txoj kev tsheb ciav hlau. Thaum cua sov thiab thauj khoom asphalt, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev tiv thaiv cov neeg ua haujlwm los ntawm scalded. Cov khoom siv tiv thaiv xws li ntxuav cov hmoov yuav tsum tau npaj. Cov cuab yeej tiv thaiv hluav taws xob zoo yuav tsum tau nruab los tiv thaiv cov khoom siv hluav taws xob, tshuab, thiab lwm yam los ntawm kev cuam tshuam los ntawm xob laim thiab cuam tshuam rau kev tsim khoom.
(3) Kev tswj hwm qhov chaw tsim khoom feem ntau suav nrog kev teem sijhawm ntawm kev thauj khoom thiab thauj cov tshuab, kom ntseeg tau tias cov khoom tiav raug xa mus rau qhov chaw paving raws sijhawm, thiab ua raws li cov xwm txheej ntawm txoj kev paving thiab ntau yam khoom siv kom cov kws tshaj lij tuaj yeem kho cov khoom siv. ceev hauv lub sijhawm. Kev tsim cov khoom sib xyaw ua ke feem ntau txuas ntxiv mus, thiab lub tuam tsev logistics yuav tsum ua txoj haujlwm zoo kom cov neeg ua haujlwm tsim khoom tuaj yeem hloov pauv noj thiab muaj zog txaus los mob siab rau kev tsim kho thiab tsim khoom.
(4) Txhawm rau kom ntseeg tau qhov zoo ntawm cov khoom sib tov, nws yog ib qho tsim nyog yuav tsum tsim kom muaj cov neeg ua haujlwm xeem txaus nrog rau qib kev txawj ntse; tsim ib lub chaw kuaj mob uas ua tau raws li kev soj ntsuam niaj hnub ntawm qhov chaw tsim kho thiab muab nws nrog cov cuab yeej ntsuas niaj hnub no. Ua ntej pib lub tshuab, randomly tshawb xyuas cov dej noo thiab lwm yam ntsuas ntawm cov ntaub ntawv hauv qhov chaw cia khoom, thiab muab lawv sau rau tus neeg teb xov tooj raws li lub hauv paus rau tus neeg teb xov tooj los kho qhov ntsuas thiab ntsuas kub. Cov ntaub ntawv tiav uas tsim txhua hnub yuav tsum tau muab rho tawm thiab tshuaj xyuas ntawm qhov zaus tau teev tseg hauv "Technical Specifications" txhawm rau txheeb xyuas lawv cov gradation, roj-pob zeb piv, qhov kub thiab txias, stability thiab lwm yam ntsuas los qhia kev tsim kho thiab tshuaj xyuas. Marshall cov qauv yuav tsum tau npaj txhua hnub los txiav txim siab qhov ntom ntom rau kev siv hauv kev suav cov pavement compaction, nrog rau suav cov void ratio, saturation thiab lwm yam ntsuas. Kev xeem ua haujlwm yog qhov tseem ceeb heev thiab yog ib qho ntawm cov kev taw qhia kev ua haujlwm rau tag nrho cov khoom. Cov ntaub ntawv tseem ceeb yuav tsum tau muab khaws cia los npaj rau kev kuaj xyuas lub raj tooj dag thiab kev xa khoom xa tuaj.
5. Ib puag ncig
Ib puag ncig tsim khoom zoo yog qhov tseem ceeb rau kev ua haujlwm ib txwm muaj ntawm cov nroj tsuag sib xyaw.
(1) Thaum lub sijhawm tsim khoom, qhov chaw yuav tsum tau ntxuav txhua hnub. Xyuas kom tseeb tias txhua lub tsheb tau txau nrog tus nqi tsim nyog ntawm cov roj av kom tiv thaiv cov asphalt sib tov los ntawm kev lo rau lub tsheb. Txoj kev nyob rau hauv lub aggregate vaj yuav tsum tau ceev kom meej, thiab lub tsheb noj thiab loaders yuav tsum nyob rau ntawm ob sab ntawm pawg.
(2) Cov neeg ua haujlwm ua haujlwm, ib puag ncig nyob, thiab cov khoom siv ua haujlwm yog qhov tseem ceeb cuam tshuam rau kev tsim khoom. Rau cov cheeb tsam uas muaj huab cua kub, nws yog ib qho kev sim rau kev tsim khoom thiab cov neeg ua haujlwm. Kev siv zog tshwj xeeb yuav tsum tau ua los tiv thaiv cov neeg ua haujlwm los ntawm cov cua sov, thiab tag nrho cov chav tsev rwb thaiv tsev tshiab yuav tsum tau nruab. Cov chav tau nruab nrog cua txias, uas yuav pab kom cov neeg ua haujlwm so.
(3) Kev txiav txim siab zoo. Ua ntej tsim lub vev xaib, kev txiav txim siab dav dav yuav tsum tau muab rau kev thauj mus los ze, hluav taws xob, hluav taws xob, khoom siv thiab lwm yam.
6. Cov lus xaus
Hauv luv luv, cov ntsiab lus tseem ceeb cuam tshuam rau kev tsim khoom zoo ntawm asphalt mixing nroj tsuag yog qhov nyuaj, tab sis peb yuav tsum muaj kev ua haujlwm ntawm kev nyuaj siab, niaj hnub tshawb nrhiav txoj hauv kev los daws cov teeb meem, thiab ua kom muaj txiaj ntsig rau kuv lub teb chaws txoj kev loj.