Ƙarfafa Ƙarshen Sama: Abubuwan da ake ƙarawa kamar abubuwan haɓakar iska na iya haɓaka ƙarewa da bayyanar siminti ta hanyar hana lahani kamar fashewa, saƙar zuma, ko kura kura, tabbatar da santsi, ƙwararrun-sa surface.

Ƙayyadaddun Ƙirar Silica Fume Concrete Admixture don Ƙarƙashin Ƙarfafa Ƙwararru a cikin Ramuka da Tsarin Ƙarƙashin Ƙasa

Ƙirar Silica Fume Concrete Admixture don Ƙarƙashin Ƙarfafa Ƙarfafawa a cikin Ramuka da Tsarin Ƙasa

Takaitacciyar Samfura

Silica fume ne ainihin babban foda da aka yi amfani da shi azaman ƙarami. Yana haɓaka tauri, tauri, da juriya ga shigar ruwa. Wannan ya sa ya zama cikakke ga hanyoyin da ke ƙasa da tsarin ƙasa inda al'amurra masu dorewa.

Ribar sirri

Ƙara hayaƙin siliki zuwa kankare yana cika ƙananan wurare tsakanin guntun siminti. Wannan yana samar da gauraya mai yawa wanda ke hana ruwa da sinadarai marasa aminci. Sakamakon shine kankare wanda ke dadewa kuma yana jure karyewa a ƙarƙashin matsin lamba. Tsarin ya kasance da ƙarfi kuma a cikin jika ko gurɓataccen yanayi.

Bukatun Fasaha

Fume silica yana buƙatar gamsar da matsayin ASTM C1240. Yana da silicon dioxide (SiO ₂) abu dole ne ya tafi kadan 85%. Dole ne kayan ya zama babu kumburi kuma a adana bushewa don hana kumbura. Lokacin da aka haɗa su cikin kankare, sashi yawanci jeri daga 5% ku 10% da nauyin siminti. Matsakaicin adadin sun dogara da buƙatun aikin da ƙirar haɗin gwiwa.

Halayen Aiki

Concrete with silica fume obtains high very early and last toughness. Compressive stamina usually goes beyond 8,000 psi. Permeability drops considerably, which slows chloride and sulfate assault. This shields steel reinforcement from corrosion. The mix also shows much better cohesion, minimizing partition throughout placement in deep or narrow passage sections.

Managing and Use

Usage appropriate dust control when taking care of silica fume– it is extremely great and can end up being airborne. Constantly add it during batching, not on-site. Integrate it evenly with other materials to make sure consistent outcomes. Comply with neighborhood security rules and use safety gear. Deal with a qualified engineer to readjust water content and superplasticizer usage, given that silica fume enhances thickness.

Aikace-aikace

Wannan admixture yana aiki da kyau a cikin layin salula na rami, shafts, kasa tashoshin ƙasa, da kuma kiyaye ganuwar. Ya dace da kowane nau'in aikin ƙasa na ƙasa yana buƙatar raguwar haɓakawa, babban ƙarfin hali, da tsawon rai. Yi amfani da shi a inda ruwan ƙasa ya kai tsaye, de-kankara gishiri, ko kuma ana sa ran dattin gaba.

Aikace-aikace na Silica Fume Concrete Admixture for High Performance Concrete in Tunnels and Underground Structures

Aikace-aikace na Silica Fume Concrete Admixture a cikin Tunnels da Tsarin Ƙarƙashin Ƙasa

Mai Qarfi, Denser Concrete don Neman yanayi

Silica fume foda ne mai kyau wanda aka ƙara zuwa kankare don haɓaka aikin sa sosai. A cikin sassa da tsarin ƙasa, wannan admixture yana taka muhimmiyar rawa. Waɗannan wuraren suna fuskantar matsi akai-akai daga ƙazanta, ruwa, da sinadarai. Kankare na yau da kullun na iya tsaga ko ƙarewa a hankali. Tushen siliki yana taimakawa hana hakan.

Lokacin da aka haɗa su cikin kankare, hayakin silica yana cika ƴan sarari tsakanin siminti. Wannan yana sa haɗuwa ya fi yawa. Tsarin tsari mai yawa yana nufin ruwa da abubuwa masu lahani suna ganin yana da wahalar shiga ciki. Saboda haka, kankare yana dadewa kuma yana jure lalacewa da kyau.

Kyakkyawan Tauri da Dorewa

Kankare tare da hayaƙin siliki yana samun ƙarfin ƙarfi da ƙarfi. Wannan yana da mahimmanci gaba ɗaya a cikin ramuka inda yawa ke da nauyi kuma ɗaki ya iyakance. Ƙarfin kankare mai ƙarfi yana ɗaukar nauyi ba tare da kasawa ba. Hakanan yana rage abubuwan da ake buƙata don wurare masu kauri, adana yanki da samfur.

Admixture shima yana rage karyewa. Wannan yana nuna ƙarancin chloride, sulfate, da sauran m jamiái na iya shiga cikin kankare. Wannan kariyar tana da mahimmanci a cikin saitunan ƙasa inda ruwan ƙasa yakan kama irin waɗannan sinadarai. Tare da silica fume, goyon bayan karfe ya kasance mafi amintacce daga tsatsa.

Ingantacciyar Ƙarfafa Aiki da Ƙarfafa Na dogon lokaci

Abubuwan hayaki na silica na zamani suna yin aiki da kyau tare da superplasticizers. Wannan yana kula da sabobin kankare mai sauƙin sanyawa kuma mai ɗaukuwa, ko da a cikin rikitaccen nassi na salon salula. Da zarar taurare, simintin yana bayyana raguwar raguwa da raguwar karaya. Waɗannan manyan halayen taimako suna tabbatar da kwanciyar hankali na gine-gine cikin shekaru da yawa.

A cikin aikace-aikacen shotcrete– na kowa a cikin gine-gine da gine-gine– hayaki silica yana ƙara haɓaka ƙarfin da wuri. Wannan yana ba da damar hawan hawan hakowa da sauri da saurin taimako. 'Yan kwangila suna amfana da tsaro da ingantaccen aiki na yau da kullun.

Gabaɗaya, Fume silica yana juya kankare na yau da kullun zuwa babban samfuri wanda aka gina don mawuyacin yanayi da aka gano a ƙarƙashin ƙasa..

Bayanin Kamfanin

Mu ne jagora na duniya a cikin siminti mai sauƙi da ingantattun hanyoyin magance kumfa. An san shi a duniya don jajircewarsa ga bincike, bidi'a, da kuma amfani da gwaninta, muna samar da ingantattun hanyoyin magance kumfa tun farkon 2012.

Za mu iya samar da ingantattun kayan kwalliyar kankare da samfuran da ke da alaƙa da kumfa a duk faɗin duniya.

Kamfanin yana da sashen fasaha na ƙwararru da sashin kulawa mai inganci, dakin gwaje-gwaje masu inganci, kuma sanye take da kayan gwaji na ci gaba da cibiyar sabis na abokin ciniki bayan-tallace-tallace.

Idan kuna sha'awar, don Allah a ji 'yanci kuma tuntube mu.

Biya

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Jirgin ruwa

Ta iska, ta teku, ta hanyar bayyanawa, kamar yadda abokan ciniki suka nema.

5 FAQs na Silica Fume Concrete Admixture for High Performance Concrete in Tunnels and Underground Structures

Tambayoyin da ake yawan yi: Silica Fume Concrete Admixture don Ramuka da Tsarin Ƙarƙashin Ƙasa

Menene fume silica kuma me yasa ake amfani dashi a cikin tunnel kankare?

Silica fume foda ne mai kyau da aka yi a lokacin samar da ƙarfe na silicon. Yana cike ƴan ƙananan giɓi tsakanin siminti. Wannan ya sa simintin ya yi yawa, yafi karfi, kuma kasa porous. A cikin tunnels da aikin karkashin kasa, wannan yana taimakawa wajen kiyaye ruwa da sinadarai.

Ta yaya hayakin siliki ke inganta ƙarfin kankare?

Fume silica yana amsawa da calcium hydroxide a cikin siminti don samar da ƙarin kayan ɗauri. Wannan halayen yana haɓaka ƙarfin farko da na dogon lokaci. Rufunan rami da aka yi da hayaƙin siliki sukan kai ga matsewa ƙarfi 10,000 psi. Wannan ya fi siminti na yau da kullun.

Shin hayakin siliki yana sa kankare da wahalar sanyawa?

Ee, ze iya. Saboda fume silica yana da kyau sosai, yana kara bukatar ruwa. Amma ana gyara wannan ta amfani da superplasticizers. Tare da haɗin da ya dace, simintin ya kasance mai iya aiki kuma yana gudana da kyau zuwa cikin matsatsun wurare - na kowa a cikin hanyoyin rami.

Fume silica yana da kyau don dorewa a cikin rigar ko mahalli masu lalata?

Ee. Fume silica yana saukar da kai tsaye. Ruwa, chlorides, kuma sulfates ba za su iya motsawa cikin sauƙi ba. Wannan yana kare ƙarfin ƙarfe daga tsatsa. A cikin tsarin ƙasa wanda aka fallasa ga ruwan ƙasa ko gishiri, wannan yana da mahimmanci.

Akwai ƙa'idodi na musamman na kulawa ko haɗawa don hayaƙin siliki?

Dole ne a ƙara hayaƙin siliki daidai a lokacin batching. Yawancin ayyuka suna amfani da shi a sigar slurry ko a matsayin wani ɓangare na siminti da aka riga aka haɗa. Koyaushe bi umarnin mai kaya. Lokacin gaurayawa na iya buƙatar ƙara dan kadan don tabbatar da cikakken tarwatsewa. Gyaran da ya dace shima maɓalli ne — kiyaye ƙasa ya ɗanɗano aƙalla 7 kwanaki.