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Kampani yogulitsa zida zomangira yomwe yakhala ikupereka mayankho a makina omangira kwa zaka 30.
Chilankhulo
Kampani yogulitsa zida zomangira yomwe yakhala ikupereka mayankho a makina omangira kwa zaka 30.
Kutalikirana kwa ma vibrator a konkriti ndi nthawi yogwedezeka zimalumikizana kwambiri. Ikani poker patali kwambiri ndipo madera ang'onoang'ono a konkriti sangagwedezeke bwino. Isiyeni pamalo amodzi kwa nthawi yayitali ndipo kusakaniza kogwira ntchito kungayambe kulekanitsa. Yankho lothandiza siloti kukumbukira nambala imodzi yamatsenga, chifukwa konkriti ili ndi chizolowezi chonyalanyaza manambala amatsenga. M'malo mwake, ogwiritsa ntchito ayenera kuphatikiza m'mimba mwake wa mutu wa vibrator, kuthekera kogwira ntchito kwa konkriti, kutseguka kwa mphamvu ndi zizindikiro zowoneka bwino kuti asankhe komwe angayike poker ndi nthawi yoti apitirire.
Monga poyambira pamunda wothandiza, Wacker Neuson amalimbikitsa kusuntha malo omiza ndi pafupifupi nthawi 8-10 kuposa kukula kwa mutu wa vibrator . Amalangizanso ogwiritsa ntchito kuti azigwira ntchito molimbika mpaka thovu la mpweya litasiya kukwera ndipo phokoso la vibrator litasiya kusintha. Kuwona kawiri kumeneku kumapatsa magulu a malo chinthu chothandiza kwambiri kuposa tchati chokhazikika cha malo: kuwerengera koyambira komwe kungayang'aniridwe poyerekeza ndi zomwe konkire ikuchita.
Malo oyenera oikira konkire vibrator ayenera kulola kuti malo ozungulira malo oikira oyandikana nawo agwirizane. Ngati sakulumikizana, mizere ya konkire yosalumikizidwa bwino ikhoza kukhala pakati pawo. Ngati malo oikira ali pafupi kwambiri, mphamvu yogwira ntchito imachepa ndipo konkire yomwe idalumikizidwa kale ikhoza kugwedezekanso popanda phindu lenileni.
Lamulo la mainchesi 8-10 la mutu limapereka kuwerengera koyambira kothandiza. Mwachitsanzo, poker ya 38 mm imapereka mtunda woyambira wa pafupifupi 304-380 mm (12-15 in.) . Izi sizikutanthauza kuti vibrator iliyonse ya 38 mm iyenera kugwiritsidwa ntchito pa mtunda womwewo. Kuchulukana kwa mphamvu, kukhazikika kwa konkriti ndi magwiridwe antchito a vibrator zonse zimatha kusintha mtunda wogwira ntchito, kotero wogwiritsa ntchitoyo ayenera kutsimikizira kuti kuyika kulikonse kumakhudza kwambiri dera lapafupi. Wacker Neuson akunena mwachindunji kuti magwiridwe antchito amatha kusiyana malinga ndi momwe ntchito ikuyendera ndipo amalimbikitsa kuyesa pansi pa mikhalidwe yeniyeni ya malo ogwirira ntchito.
| Mkhalidwe wa Malo | Njira Yoyambira | Zoyenera Kuyang'ana |
|---|---|---|
| Poker ya 38 mm | Mpata wa pafupifupi 304–380 mm | Tsimikizani madera ophatikizana omwe akugwirizana |
| Kulimbitsa thupi mopitirira muyeso | Gwiritsani ntchito mutu wocheperako komanso malo oyandikirana | Poker iyenera kudutsa momasuka pakati pa mipiringidzo |
| Gawo lalikulu la konkire lotseguka | Mutu waukulu umalola malo ochulukirapo | Chongani kutalika kwenikweni kwa ntchito |
| Konkire yolimba | Yambani mosamala ndi zoyika pafupi | Yang'anirani thovu lotsala ndi malo osakhazikika bwino |
Kukula kwa mutu n'kofunika chifukwa mitu ikuluikulu nthawi zambiri imakhudza konkire yambiri, koma kukula sikuli bwino kokha. Wacker Neuson amapereka 30 mm ngati chitsanzo cha mawonekedwe opapatiza ndi 58 mm pazigawo zazikulu za konkire. M'mizere kapena makoma olimba kwambiri, mwayi pakati pa mipiringidzo ukhoza kukhala wofunika kwambiri kuposa kuphimba konkire. Poker yomwe singafikire konkire si yodabwitsa kwambiri, ngakhale ikuwoneka yayikulu bwanji mu katalogu.
Kwa akontrakitala omwe akufunsa nthawi yomwe simenti iyenera kugwedezeka , nthawi yoyambira yothandiza kwambiri ndi masekondi 5-15 pa nthawi iliyonse yoyikidwa . Bungwe la National Precast Concrete Association, potengera malangizo a Portland Cement Association, limati nthawi imeneyi nthawi zambiri imapereka mgwirizano wokwanira, ngakhale kuti nthawi yeniyeni imasiyana malinga ndi kukula kwa vibrator, kugwira ntchito kwa simenti komanso kuzama kwa chiwalocho.
Komabe, wotchi yoyimitsa moto iyenera kutsimikizira lingaliro la wogwiritsa ntchito m'malo moisintha. Pitirizani kugwedezeka pamene thovu lalikulu la mpweya likutuluka ndipo konkire ikuoneka kuti ikukhazikika mozungulira mutu. Wacker Neuson akulangiza kuti muyime pamene thovu silikukweranso ndipo phokoso lomiza likusiya kusintha. Mwachidule, izi zikutanthauza kuti kusakaniza konyowa, kogwira ntchito kungayankhe mwachangu, pomwe kusakaniza kolimba kungafunike nthawi yayitali kapena kufunikira malo olowera pafupi.
| Funso Lokhudza Ntchito | Buku Lothandiza | Kuyang'ana Malo |
|---|---|---|
| Kodi nthawi yokwanira yoyikapo? | Pafupifupi masekondi 5–15 | Thovu lalikulu limayima ndipo konkire imakhazikika |
| Kodi mtunda uli pati? | Pafupifupi 8–10 × m'mimba mwake wa mutu | Malo ozungulira ogwedezeka amakumana |
| Kodi kuchotsa ndalama mwachangu bwanji? | Pafupifupi masekondi atatu pa 300 mm | Dzenje limatseka kumbuyo kwa poker |
| Chizindikiro chachikulu chokweza | Pafupifupi 500 mm | Gawo lonselo limakhalabe pafupi kufikika |
| Kulowa mu lift yapitayi | Pafupifupi 50–100 mm | Zigawo ziwiri zatsopano zimalumikizana pamodzi |
Ngakhale nthawi yolondola yogwedera ya konkriti ikhoza kutayika ngati poker yatulutsidwa mwachangu kwambiri. Kugwedera mwachangu kumatha kusiya njira kumbuyo kwa mutu konkriti yozungulira isanabwererenso. NPCA imapereka lamulo lothandiza la masekondi pafupifupi atatu pa 300 mm (1 ft) iliyonse yogwedera yoyima . Vibrator nthawi zambiri iyenera kuloledwa kumira pansi pa kulemera kwake kenako nkuchotsedwa pang'onopang'ono pamene konkriti ikutseka kumbuyo kwake.
Ichi ndichifukwa chake ogwiritsa ntchito ayenera kupewa kugwiritsa ntchito poker ngati chida choyendetsera konkire. Kuikoka m'mbali mwa kusakaniza kungapangitse kuti pakhale mgwirizano wosagwirizana ndipo kumapangitsa kuti zikhale zovuta kwambiri kusunga njira yolowera mwadongosolo. Kulowetsa molunjika, kukhala kwakanthawi kochepa komanso kubweza kolamulidwa kumapangitsa kuti ntchitoyo ikhale yosavuta kubwereza kuchokera ku gawo limodzi la kutsanulira kupita ku lina.
Makoma akuya, maziko ndi malo ena akuluakulu nthawi zambiri zimakhala zosavuta kuzigwirizanitsa mu ma lift olamulidwa m'malo moyesa kugwedezeka kwambiri nthawi imodzi. Wacker Neuson amalimbikitsa kusunga zigawo za konkire payokha kufika pa 500 mm . Pamene gawo latsopano lotsatira liyikidwa, poker iyenera kulowa pafupifupi 50–100 mm mu gawo lomwe lili pansipa . Izi zimathandiza ma lift awiriwa kugwirizana kudzera mu mawonekedwe awo m'malo mochita ngati zigawo zosiyana.
Kulumikizana pang'ono kumeneko n'kosavuta kunyalanyaza mukathira zinthu zambiri, koma kuli ndi ntchito yofunika kwambiri. Kuyimitsa poker pamalo omwe ali pakati pa zigawo kungasiye mawonekedwe osakwanira. Kuyiyendetsa mozama kwambiri muzinthu zomwe zalumikizidwa kale kumangowononga nthawi. Cholinga chake ndi kuyanjana kolamulidwa, osati kufukula zinthu zakale.
M'mimba mwake wa mutu ndi wothandiza poyesa malo olumikizirana ndi mavibrator a poker , koma m'mimba mwake wokha sufotokoza njira yonse yolumikizirana. Mafupipafupi ndi kukula kwake zimakhudzanso momwe kugwedezeka kumasamutsidwira ku konkire yatsopano. Monga chitsanzo chimodzi cha zida, Multiquip imalemba vibrator yamkati ya 38 mm UM13825 pa 200–258 Hz, yofanana ndi kugwedezeka kwa 12,000–15,500 pamphindi , yokhala ndi kukula kwa 0.77 mm. Izi ndi mitengo yeniyeni ya chitsanzo osati zolinga zapadziko lonse, koma zikuwonetsa chifukwa chake mitu iwiri ya poker yofanana siimagwira ntchito mofanana.
Posankha zida, makontrakitala ayenera kuyang'ana kupitirira mphamvu ya injini kapena kukula kwa mutu kokha. Kukula kwa poker, kuchuluka kwa ntchito, kutalika kwa shaft, kugwa kwa konkriti ndi kapangidwe kake kolimbitsa zonse zimakhudza momwe wogwiritsa ntchito angakhalire wogwirizana nthawi zonse.
Kugwedezeka kosakwanira nthawi zambiri kumawonekera kudzera m'matumba otsala a mpweya, ngodya zosadzazidwa bwino kapena konkire yomwe sinakhazikike bwino mozungulira mphamvu. Yankho sikutanthauza kuti chipangizocho chizigwira ntchito nthawi imodzi kwa nthawi yayitali; kuziyika pafupi komanso mwadongosolo kungakhale kothandiza kwambiri. Wacker Neuson akuchenjeza kuti kugwedezeka komwe kuli kochepa kwambiri kumasiya mpweya utatsekeredwa, pomwe kugwedezeka kwambiri kungayambitse kulekanitsidwa.
Lamulo losavuta kwambiri la malo ndikuphatikiza nthawi ndi kuyang'ana. Yambani ndi masekondi 5-15, yang'anani thovu, mvetserani vibrator ndikuwona ngati konkriti yozungulira yakhazikika. Kenako bwererani pang'onopang'ono ndikupita kumalo ena olumikizana. Njira iyi imapatsa ogwiritsa ntchito njira yobwerezabwereza popanda kunamizira kuti kusakaniza kulikonse kwa konkriti kumachita chimodzimodzi.
Malo oyambira othandiza ndi pafupifupi nthawi 8-10 kuposa mainchesi a mutu wa vibrator . Pa mutu wa 38 mm, umenewo ndi pafupifupi 304-380 mm. Mipata yeniyeni iyenera kusinthidwa ngati kulimbitsa, konkire wolimba kapena kuyesa malo kukuwonetsa malo ochepa ogwedera bwino.
Pafupi masekondi 5-15 pa kulowetsa ndi malo oyambira. Pitirizani pamene thovu lalikulu laima, konkire yakhazikika ndipo phokoso la vibrator limakhala lokhazikika.
Pa konkire yatsopano yoyikidwa m'makwerero, pafupifupi 50–100 mm ya kulowa mu gawo lapitalo imapereka chithandizo chothandiza cholumikizira zigawo ziwirizi panthawi yophatikizana.
Ayi. Mitu ikuluikulu imatha kuphimba konkire wochulukirapo, koma malo olumikizirana ndi kukula kwa zigawo ziyenera kukhala patsogolo. Mitu yaying'ono nthawi zambiri imakhala yothandiza kwambiri pakupanga mawonekedwe opapatiza komanso ogwirizana, pomwe mitu ikuluikulu imakwanira magawo otseguka.
