Jami'ar Pennsylvania da aka riga aka kera Keɓaɓɓiyar Yin Kiliya ta ƙasa

(Jami'ar Pennsylvania da aka riga aka kera Ƙarƙashin Yin Kiliya)

Fiber PVA yana taka muhimmiyar rawa wajen gina filin ajiye motoci

PVA (polyvinyl barasa) fiber fiber ne mai babban aiki na roba wanda aka yi amfani da shi a fannonin injiniya da yawa saboda kyakkyawan ƙarfinsa, juriya na sinadarai da kwanciyar hankali. A cikin gina wuraren ajiye motoci na kankare, fiber na PVA kuma na iya taka muhimmiyar rawa. Yin amfani da fiber na PVA a cikin ginin filin ajiye motoci na kankare yana taimakawa wajen inganta aikin da kuma dorewa na kankare da kuma tabbatar da aminci da amfani da dogon lokaci na filin ajiye motoci. Koyaya, a aikace-aikace masu amfani, abun ciki na fiber da hanyar amfani yana buƙatar ƙaddara bisa takamaiman yanayin aikin injiniya da buƙatun ƙira. A lokaci guda, ingancin siminti da fasahar gini ya kamata a kula da su sosai yayin aikin gini don tabbatar da cewa fiber PVA yana yin tasiri mafi kyau.

Sunan aikin

Penn Health Precast Karkashin Kiliya Lot

Naúrar gini

Jami'ar Pennsylvania

Tawagar ginin da ta tabbatar da PCI

Jonas Precast Co., Westerville, NJ.

Yankin aikin

Ƙafafun murabba'in miliyan 1.5 (* ≈ murabba'in murabba'in 139,000)

Siffofin shirin

Masu zanen kaya suna amfani da kwaikwayi dalla-dalla don cimma tsarin aikin simintin siminti, wanda yayi daidai da ƙira-in-wuri.

Amfani da simintin siminti yana haɓaka ci gaban ginin sosai.

Nauyin ƙira na ginshiƙai na yau da kullun ya wuce fam miliyan 6.

Ƙimar Ƙirƙira / Ƙaddamarwa

Gina garejin ajiye motoci na ƙasa mai hawa biyar mai hawa biyar wanda ke goyan bayan wani bangare na cibiyar mara lafiya mai hawa 17.

Aikin ya ƙunshi abubuwan siminti 1,138 da aka riga aka tsara.

An kammala aikin siminti na precast a cikin watanni 14.

Tasirin Bidiyo

Wannan garejin simintin ajiye motoci na ƙasa mai hawa biyar mai hawa biyar yana ƙarƙashin sabon asibitin jami'a a Kwalejin Pennsylvania. Tsarin karkashin kasa yana goyan bayan rabin cibiyar majinyata ta karfe 17, miliyan 1.5 (square-mita 139,000), wanda tabbas za ta samar da wuraren zama na mutane 500, da dakunan aiki 47, da dakin gaggawa mai daki 61. (Tsarin na sama shine tsarin karfe + SP prestressed m slab.)

An gina filin ajiye motoci na ƙafa 67 (mita 20.42) a ƙarƙashin ƙasa kuma ya ƙunshi gareji 689 don ba da tsarin mutum, hasumiya 2, jerin ginshiƙan lif da wuraren wanka guda biyu da aka riga aka tsara, da tankunan mai, cibiyar sadarwa, masu kulle-kulle, sarrafa kayan aiki da wuraren IT.

Masu zanen kaya sun zaɓi siminti na precast don aikin, a wani ɓangare saboda saurin shigarwa, wanda zai ba da damar yin yunƙuri mafi girma. Koyaya, tono ƙafa 67 a ƙarƙashin ƙasa don ƙirƙirar filin ajiye motoci wanda a ƙarshe zai tallafawa rabin ginin murabba'in ƙafa miliyan 1.5 ya gabatar da wasu ƙalubale.

Na farko ya tabbatar da cewa ƙirar simintin siminti na iya tallafawa nauyin tsarin. Masu zanen kaya sun yi imanin cewa zai yi aiki, kuma ƙarin bincike ya tabbatar da cewa sun yi daidai. Sabis ɗin ƙira shine ya kwaikwayi simintin simintin simintin-wuri tare da abubuwan da aka riga aka jefar don tabbatar da cewa aikin da aka yi zai zama ainihin simintin simintin gyare-gyare na al'ada.

An tsara sabon garejin da dalla-dalla don biyan buƙatun ƙa'idodin gini kamar an gina shi da simintin simintin gyare-gyare na monolithic. Koyaya, tsarin ya kasu kashi-kashi mai girma da siffa waɗanda za'a iya kera su a masana'anta, jigilar su, da shigar da su cikin aminci da inganci akan wurin. Wannan hanyar ta bibiyi Cibiyar Kankare ta Amurka (ACI) 550.1R-09 "Sharuɗɗa don ƙayyadaddun simintin simintin gyare-gyare don ƙirar simintin simintin gyare-gyare na simintin simintin gyare-gyare." ACI ta yi imanin wannan hanyar ta shafi kowane tsarin tsari, gami da kankare monolithic.

Firam ɗin da aka riga aka jefar da ke ƙasa matakin ƙasa da farko suna goyan bayan hasumiya na tsarin sama da ƙasa. Don tallafawa wannan katafaren ginin, dole ne a tsara ginshiƙai da yawa don jure lodi sama da fam miliyan 6 (tan 2,721). ginshiƙin siminti na yau da kullun shine inci 33 da inci 66 (mita 0.84 ta mita 1.68). Yi amfani da kankare 9000 psi.

Tsarin juriya na gefe na rumfar ya ƙunshi firam ɗin goyan bayan ƙarfe da ke kewaye da ainihin matakala da lif. A cikin sauyawa daga babban firam ɗin ƙarfe na ƙarfe zuwa ƙaramin simintin simintin siminti mai ƙarancin daraja, firam ɗin da aka ɗaure da ƙarfe yana rarraba kaya zuwa bangon simintin simintin siminti na ƙasa. Hakanan ana rarraba ton na gefe daga rumfar daidai cikin ginshiƙan bene na ƙasa, ƙasa ginshiƙan ƙasa, da bangon iyaka.

Wannan yankan-baki na amfani da simintin simintin gyare-gyare sosai ya haɓaka jadawalin ginin kuma ya ba da damar ginawa da gina katafaren rumfar ƙarfe na mutum ɗaya don farawa tun da wuri fiye da simintin-wuri.

Maroki

TRUNNANO shine mai siyar da fiber na PVA (wanda shine ɗayan abubuwan ƙari) tare da gogewar shekaru sama da 12 a cikin kiyayewar makamashi na nano da haɓaka fasahar nanotechnology. Yana karɓar biyan kuɗi ta hanyar Katin Kiredit, T / T, West Union da Paypal. Trunnano zai jigilar kaya zuwa abokan ciniki a ketare ta hanyar FedEx, DHL, ta iska, ko ta ruwa. Idan kana neman high quality kankare crack rage admixture, da fatan za a ji free to tuntube mu da kuma aika wani tambaya. (sales@cabr-concrete.com).

(Jami'ar Pennsylvania da aka riga aka kera Ƙarƙashin Yin Kiliya)