Nzira chaiyo yekudzungudza uye nzira yekugadzira kongiri
Chii chinonzi Concrete Vibration?
Kudedera kwekongiri kunoitwa kuti kongiri isimbiswe. Chinangwa chikuru chekudedera ndechekusimbisa kongiri uye kuwana huwandu hwakanyanya hwekongiri. Inenge 5 kusvika 8% yehuwandu hwekongiri itsva yakaiswa muchimiro inogarwa nemabubble emhepo. Mabubble emhepo anogara munzvimbo iyi mumusanganiswa wekongiri unoshanda zvikuru.
Chikonzero uye sei chekubatanidza kongiri
Chii chinokanganisa simba rekongiri kupfuura zvimwe zvese? Mainjiniya mazhinji angati chiyero chemvura nesimende… sezvo chiyero chemvura nesimende chichiwedzera simba rinoderera. Duff Abrams akaratidza izvi muna 1919, uye mutemo waAbram ndiwo musimboti wenzira dzakawanda dzekuenzanisa kongiri dzinoshandiswa nhasi. Asi Abtams akaita bvunzo dzake pakongiri yakabatanidzwa zvizere. Kana kongiri isina kusimbiswa zvakanaka, maburi anoderedza simba pasinei nehuwandu hwemvura nesimende. Uye, sezvakaratidzwa muMufananidzo 1, mhedzisiro yacho yakakosha.
Kana yangoiswa, kongiri ine mweya wakavharirwa inosvika 20%. Huwandu hwayo hunosiyana zvichienderana nerudzi rwemusanganiswa uye kudonha, saizi nechimiro, huwandu hwesimbi inosimbisa, uye nzira yekuisa kongiri. Pachiyero chemvura-simende chinogara chiripo, chikamu chimwe nechimwe chemhepo chinoderedza simba rekudzvanya neinenge 3% kusvika 5%. Kubatanidza kongiri, kazhinji nekuzunguzika, kunowedzera simba rekongiri nekudzinga mweya wakavharirwa. Zvinovandudzawo simba re sbond uye zvinoderedza kupinda kwekongiri.
Kudedera inzira ine zvikamu zviviri
Kudedera kunosimbisa sei kongiri? Mufananidzo 2 unoratidza kuti inzira ine zvikamu zviviri. Vibrator inogadzira mafungu anoparadzanisa zvidimbu zve aggregate, zvichideredza kukweshana pakati pazvo.
Mufananidzo 1. Mwero wekusimbaradzwa kwesimbi unogona kuva nemigumisiro yakafanana pasimba rekumanikidzwa sehuwandu hwemvura nesimende. Konkriti isina kusimba zvakanyanya inogona kunge iine mweya wakavharirwa unosvika 20% kana yaiswa.
Mufananidzo 2. Vibrator inobatanidza kongiri nenzira ine zvikamu zviviri. Mafungu ekutanga anonyungudutsa kongiri kuitira kuti ifambe zvakanaka uye mafungu anoenderera mberi anoburitsa mabubble emhepo.
ZVAKANAKA
Kupinda kwakamira masendimita mashoma mu lift yekare (iyo isingafanirwe kunge yakaoma) ye systemmatic regular intervals kuchapa kubatana kwakakwana.
ICHAUYA PAMWE CHETE
Kupinda kwe vibrator zvisina tsarukano pamakona ese uye nzvimbo dzakasiyana pasina kudzika kwakakwana hakuzovimbise kubatana kwezvikamu zviviri izvi.
Kudzvanywa kwekongiri kana Kuzunguzika kwekongiri kunogona kuitwa nenzira shanu dzakasiyana ndedzinoti:
1- Kuzunguza kongiri mukati nekuisa chivharo chemukati musimbi yekongiri.
2- Kudedera kongiri uchigadzirisa shuttering uchishandisa mavibrators eShutter formwork.
3- Nekuzunguza simende yese uchishandisa tafura inozunguza.
4- Kuzunguza kongiri kunze kwenzvimbo uchishandisa mavibrators epamusoro.
5- Kudengenyeka kwekongiri uchishandisa ma "rebar shakers".
Kudedera kwekongiri Mazano
1- Usadederesa kongiri zvakanyanya sezvo ichibvumira musanganiswa kupwanyika nekupatsanurana. Zvakare, usadederesa kongiri zvakanyanya nekuti mhepo inogona kunge ichiri muzvikamu zvepasi zvesimende, izvo zvinoita kuti kongiri isashande zvakanaka iyo inopwanyika nyore nyore nekumanikidzwa kushoma.
2- Nzira inonyanya kushandiswa neinternal vibrator ndeyekubvisa vibrator zvishoma nezvishoma, nechiyero cheinenge 25mm inch pasekondi. Kana mabubbles achiri kubuda sezvo concrete vibrator ichibviswa, kuzununguka kwakawanda kunodiwa.
3- Kuti zvisanyanya kutonhora zvisasanganisirwe nekongiri sezvo izvi zvichidururwa nemusanganiswa wesimende mutsva, iva nechokwadi chekuti wapinda zvakanaka mudururiro uchishandisa vibrator wosanganisa mudururiro wakadururwa kare neutsva hwawaisa.
4- Kuti unyatsoshanda zvakanaka, shandisa mafambiro akamira chete paunenge uchidedera kuti uve nemusanganiswa wakaenzana we aggregate nekongiri. Kufamba kwakatwasuka kunogona kutungamira mukupararira kusina kuenzana uye kunowedzera mukana wekuti vibrator ibatane mu rebar kana simbi yekusimbisa.
5- Dzivisa kushandisa vibrator sechishandiso chekuisa kongiri nekuti hazvizogadziri nzvimbo yakafanana uye zvinogona kutowedzera matambudziko mukusimba kwechimiro uye chimiro.
6- Shandisa mhando yakakodzera yekongiri yekudzungudza zvichienderana nechivako chiri kuvakwa kana saizi yenzvimbo yekushandira. Funga nezvekushandisa kongiri yekudzungudza yekongiri yakareruka pamabasa madiki kuti igone kudzorwa uye kushanda zvakanaka.
7- Funga nezvekuchengetedza imwe backup vibrator yekongiri iripo kuti uve nechimwe chishandiso chekutsiva ipapo ipapo kana chekutanga chikasangana nematambudziko chero api zvawo pabasa.

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