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Nzira yekuziva sei kuwirirana kwemvura-yakasanganiswa masonry mortar?

Nzira yekuziva sei kuwirirana kwemvura-yakasanganiswa masonry mortar?

Wet-mixed masonry dhaka chinhu chakakosha chinoshandiswa mukuvaka kubatanidza pamwechete masonry units sezvidhinha, zvidhinha, nematombo.Iko kuenderana kwekunyorova-yakasanganiswa masonry dhaka chinhu chakakosha chinokanganisa kushanda kwayo, kuita, uye kusimba.Kuona kuenderana kwemvura-yakasanganiswa masonry dhaka kwakakosha kuti ive nechokwadi chekuti inosangana nezvinodiwa uye zviyero.Muchikamu chino, tichakurukura nzira dzekuona kuenderana kwemvura-yakasanganiswa masonry mortar.

Kukosha Kwekusagadzikana

Kuenderana kwedhaka rakanyorova-yakasanganiswa masonrychiyero chepurasitiki yaro, kushanda kwayo, uye huwandu hwemvura.Izvo zvakakosha kuti uone kuenderana kwemvura-yakasanganiswa masonry dhaka kuti ive nechokwadi chekuti inogona kuiswa nyore, kupararira, uye kushanda mumajoini pakati pemasonry unit.Dhaka rakanyanya kuoma richava rakaoma kuisa uye rinogona kukonzera kusanamatira kusina kunaka pakati pemasonry units.Dhaka rinenge ranyanya kunyorova rinozonetsa kubata uye rinogona kuguma nekunyanya shrinkage, kuputika, uye kuderera kwesimba.

Nzira dzekuona Kuenderana

Pane nzira dzinoverengeka dzekuona kuenderana kwemvura-yakasanganiswa masonry dhaka, kusanganisira:

  1. Flow Tafura Muedzo

Iyo yekuyerera tafura bvunzo inzira inoshandiswa zvakanyanya yekuona kuenderana kwemvura-yakasanganiswa masonry mortar.Muedzo unosanganisira kuisa sampuli yedhaka patafura yekuyerera uye kuyera dhayamita yakapararira mushure mehuwandu hwakatarwa hwemadonhwe.Tafura yekuyerera inoumbwa neplate yedenderedzwa yakati sandara iyo yakasungirirwa yakatwasuka pane vertical shaft.Iyo ndiro inotenderedzwa 90 madhigirii uye yobva yadonha kubva paurefu hwe 10 mm ichienda pachigadziko chakamisikidzwa.Dhaka rinoiswa pakati pendiro uye rinobvumirwa kuyerera.Iyo dhayamita yekupararira inoyerwa mushure memadonhwe gumi nemashanu, uye bvunzo inodzokororwa katatu, uye avhareji kukosha kuverengerwa.

  1. Cone Penetration Test

Iyo cone yekupinda bvunzo ndiyo imwe nzira inoshandiswa kuona kuenderana kwemvura-yakasanganiswa masonry dhaka.Muedzo unosanganisira kuyera hudzamu hwekuti koni yakajairwa inopinda nesample yedhaka pasi pemutoro wakatarwa.Koni yakashandiswa muyedzo ine hwaro hwedhayamita 35 mm, kureba 90 mm, uye huremu hwe150 magiramu.Iyo koni inoiswa pamusoro peiyo sampu yedhaka uye inobvumirwa kupinda mukati memasekondi mashanu pasi pemutoro we500 gramu.Kudzika kwekupinda kunoyerwa, uye muedzo unodzokororwa katatu, uye chiyero chepakati chinoverengwa.

  1. Vee-Bee Consistometer Test

Iyo Vee-Bee Consistometer bvunzo inzira inoshandiswa kuona kushanda uye kuenderana kweakanyorova-akasanganiswa masonry dhaka.Muedzo uyu unosanganisira kuzadza chigaba checylindrical nedhaka uye kuyera nguva yakatorwa kuti simbi yakajairwa simbi izunguze ka150 kuburikidza nesample.Iyo Vee-Bee Consistometer ine tafura inozunguza, cylindrical mudziyo, uye tsvimbo yesimbi.Tsvimbo yesimbi ine dhayamita ye10 mm uye kureba kwe400 mm.Mugaba wacho unozadzwa nedhaka woiswa patafura inodedera.Tsvimbo yesimbi inopinzwa pakati pemuenzaniso, uye tafura inogadzikwa kuti idedere pane frequency ye60 Hz.Nguva inotorwa kuti tsvimbo ipedze 150 vibrations inoyerwa, uye bvunzo inodzokororwa katatu, uye avhareji kukosha kuverengerwa.

Zvinhu Zvinokanganisa Kuenderana

Zvinhu zvakati wandei zvinogona kukanganisa kuenderana kwemvura-yakasanganiswa masonry dhaka, kusanganisira:

  1. Mvura Yemukati: Huwandu hwemvura yakawedzerwa kumusanganiswa wedhaka inogona kukanganisa zvakanyanya kuenderana kwayo.Mvura yakawandisa inogona kukonzera musanganiswa wemvura uye unomhanya, nepo mvura shoma inogona kukonzera musanganiswa wakaoma uye wakaoma.
  2. Kusanganisa Nguva: Nguva yenguva iyo dhaka yakasanganiswa inogona kukanganisa kuenderana kwayo.Kuwedzeredza dhaka kunogona kuita kuti iwedzere kunyorova, nepo undermixing inogona kukonzera musanganiswa wakaoma uye wakaoma.
  1. Tembiricha: Tembiricha yemusanganiswa wedhaka inogona kukanganisa kuenderana kwayo.Kupisa kwepamusoro kunogona kuita kuti musanganiswa uwedzere kuyerera, nepo tembiricha yakaderera ichikonzera kuti iome.
  2. Rudzi uye Huwandu hweAggregate: Rudzi uye huwandu hweaggregate inoshandiswa mudhaka inogona kukanganisa kuenderana kwayo.Finer aggregates anogona kukonzera musanganiswa wemvura zhinji, nepo mahombe akaungana anogona kukonzera musanganiswa wakaoma.
  3. Rudzi uye Nhamba Yekuwedzera: Rudzi uye huwandu hwezvinowedzera zvinoshandiswa mudhaka, senge plasticizers kana air-entraining agents, zvinogonawo kukanganisa kuenderana kwayo.

Mhedziso

Mukupedzisa, kuenderana kwekunyorova-yakasanganiswa masonry dhaka chinhu chakakosha chinokanganisa kushanda kwayo, kuita, uye kusimba.Kuona kuenderana kwemvura-yakasanganiswa masonry dhaka kwakakosha kuti ive nechokwadi chekuti inosangana nezvinodiwa uye zviyero.Iyo yekuyerera tafura bvunzo, koni yekupinda bvunzo, uye Vee-Bee Consistometer bvunzo dzimwe dzenzira dzinoshandiswa zvakanyanya kuona kuenderana kwemvura yakasanganiswa masonry dhaka.Vagadziri vanofanirwawo kufunga zvakati wandei izvo zvinogona kukanganisa kuenderana kwemvura-yakasanganiswa masonry dhaka, kusanganisira yemukati memvura, kusanganisa nguva, tembiricha, rudzi uye huwandu hweaggregate, uye mhando uye huwandu hwezvinowedzera.Nekunzwisisa nzira dzekuona kuenderana kwemvura-yakasanganiswa masonry dhaka uye zvinhu zvinoikanganisa, vagadziri vanogona kukwidziridza maumbirwo avo kuti vawane kuenderana kunodiwa, kushanda, uye kuita kwedhaka.


Nguva yekutumira: Mar-18-2023
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