Abubuwan Kariyar Kankare Masu Sauƙi | Mahimman Ayyuka Masu Kumfa don Kankalin Salon salula
Nazari akan tasirin PVA zaren tsayi da abun ciki akan injinin ciminti matrix hadadden tasirin aikin
Sakamakon polyvinyl barasa (PVA) abun ciki na fiber da tsayi akan ruwa, Ƙarfin sassauƙa da matsi na aikin injiniya na tushen siminti (ECC) an yi nazari ta hanyar gwajin tsalle-tsalle da gwajin ƙarfin matsi. Haɗin Siminti (ECC) sabon nau'in fiber ne da aka ƙarfafa tushen siminti. Sakamakon ya nuna cewa ƙara PVA fiber zai iya rage yawan ruwa da slump na ECC. Tsawon fiber PVA daban-daban sun rage yawan ruwa na ECC da slump, amma babu wani muhimmin alaƙa tsakanin ruwa da tsawon fiber. Bugu da ƙari na fiber PVA zai iya inganta ƙarfin ƙarfin ECC. Mafi girman abun ciki na fiber shine, mafi bayyane tasirin haɓakawa shine; kuma mafi tsayin fiber, mafi girman ƙarfin sassauci shine. Bugu da ƙari na fiber PVA ya rage ƙarfin matsawa na ECC, amma ga kadan.
Nazarin hadawa uniformity na PVA fiber ciminti stabilized crushed dutse
Domin nazarin yadda za a ko'ina watsa PVA fiber a cikin sumunti stabilized crushed dutse tushe abu, Kamfaninmu ya aiwatar da tsare-tsaren fasahar hadawa iri-iri don ƙara simintin PVA daidaitacce gwajin hadawa dutse.. The uniformity na PVA fiber ciminti stabilized crushed dutse ana yin hukunci da sabawa coefficient na taro juzu'i rabo coefficient da taro juzu'i rabo coefficient.. Sakamakon ya nuna cewa madaidaicin rabon rabo na cakuda gabaɗaya ya fi na fiber PVA girma yayin da madaidaicin juzu'i ya yi tsayin daka a ƙarƙashin tsarin ciyarwa daban-daban.. Daga mahangar hadewar kwanciyar hankali kadai, Mafi kyawun tsarin ciyarwa na simintin fiber na PVA mai daidaitacce wanda aka niƙa shi ne don sanya tara da PVA fiber dam farko., sannan a zuba siminti da ruwa a ci gaba da hadawa. Lokacin hadawa lokacin da ma'aunin juzu'i mai ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima da ƙimar ƙimar ƙimar fiber taro na PVA ya kai ƙaramin ƙima yana ƙaruwa tare da haɓaka adadin kuzari ɗaya kuma yana raguwa tare da haɓaka saurin motsawa.. Ana ba da shawarar cewa mafi kyawun injin motsa jiki ɗaya V= 615l, mafi kyawun juzu'in juzu'in jujjuyawar shaft shine omega = 48 rpm, kuma mafi kyawun lokacin haɗawa shine 35s don wdz-600 nau'in bargawar ƙasa hadawa tashar. Takamammen ƙarshe kamar haka:
1) Karkashin tsarin ciyarwa daban-daban, a lokacin da watsawa coefficient na taro juzu'i rabo coefficient na cakuda o ƙarin tabbatar da zama barga, shi ne gaba ɗaya ya fi girma fiye da yawan adadin watsawa na PVA fiber. Daga mahangar hadewar kwanciyar hankali kadai, Mafi kyawun tsarin ciyarwa na PVA fiber ciment stabilized crushed dutse shi ne da farko sa a cikin tara da kuma PVA fiber dam don motsawa domin 5 s, sannan a zuba siminti da ruwa a ci gaba da hadawa, kuma mafi kyawun lokacin haɗuwa shine 30 s.
2) Lokacin hadawa lokacin da ma'aunin juzu'i mai ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima da ƙimar ƙimar ƙimar fiber taro na PVA ya kai ƙaramin ƙimar yana ƙaruwa tare da haɓakar ƙarar hadawa guda ɗaya.. Madaidaicin ƙarar hadawa guda ɗaya na wdz-600 daidaitawar tashar cakuda ƙasa shine V = 0. 9V0. Wato, V = 615 L, kuma mafi kyawun lokacin hadawa shine 35 s.
3) Lokacin haɗawa lokacin da ma'aunin juzu'i mai ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima da PVA fiber mass karkatacciyar ƙima ya kai ƙaramin ƙimar raguwa tare da haɓaka saurin motsawa.. Yin la'akari da haɗakar haɓakar samar da haɓaka da haɓakar haɓaka, mafi kyau duka hadawa shaft gudun omega = 48 rpm, mafi kyawun lokacin haɗawa shine 35s. Ta hanyar cikakken bincike na tasirin odar ciyarwa, guda hadawa adadin da hadawa gudun kan hadawa uniformity na PVA fiber ciminti stabilized tsakuwa, Mafi kyawun adadin hadawa guda ɗaya na wdz-600 nau'in tsayayyen tashar haɗakar ƙasa shine V = 615l, mafi kyawun juzu'in jujjuyawar juzu'i na haɗakar shaft omega shine ω = 48 rpm, kuma mafi kyawun lokacin haɗuwa shine 35s. Ko da yake microdispersity na PVA fiber har yanzu yana bukatar a kara inganta a karkashin daban-daban hadawa tsari makirci, Rarrabanta yana da ɗanɗano iri ɗaya daga mahallin macroscopic.
Cie-China.org ita ce jagorar kumfa kankare abubuwan da ke samar da kayan aikin da ke ba da wakili mai kumfa, superplasticizer,kumfa kankare ƙarfin haɓakawa don kankare mai nauyi, CLC tubalan. Idan kuna nema wakili mai kumfa, don Allah a ji daɗi tuntube mu.