EN196-1 Tantance Ƙarfin Matsi na Siminti

Rufin siminti-turmi donbututun ƙarfe mai ductileAna amfani da s musamman don hana tsatsa da tsagewa a bangon ciki na bututun, tabbatar da ingancin ruwa, da kuma rage asarar gogayya ta hydraulic. Duk da haka, babban ma'aunin Turai EN196-1 ya ƙayyade hanyar tantance ƙarfin turmi na siminti, wanda shine ɗaya daga cikin mahimman sharuɗɗa don kimanta halayen injiniyan siminti (kamar ƙarfin matsi da lanƙwasa).
Za a iya raba tsarin gwaji zuwa manyan matakai kamar haka: shiri, hadawa, hadawa, gyaran fuska, warkarwa, gwajin karyewa, da kuma lissafin sakamako.

Tsarin Gwaji 1.Matakan Haɗawa:Sai a zuba ruwa da siminti, sannan a gauraya a hankali na tsawon daƙiƙa 30;

Sai a zuba yashi daidai gwargwado a cikin daƙiƙa 30 masu zuwa (farawa da mafi ƙanƙantar siffa), sannan a gauraya a babban gudu na daƙiƙa 30;

Dakatar da shi na tsawon daƙiƙa 90 (cire duk wani turmi daga ruwan wukake da kuma bangon tukunya a cikin daƙiƙa 15 na farko);

A juya a babban gudu na daƙiƙa 60. Lokacin da ake jure wa kowane mataki shine ± daƙiƙa 1

2. Gyara (Tebur Mai Girgizawa):
Sanya mold ɗin gwaji mara komai da hannun mold a kan teburin girgiza;
Loda kayan a cikin layuka biyu, kimanin 300g a kowace tanki a cikin layin farko, kuma girgiza sau 60;
Loda Layer na biyu kuma a shimfiɗa shi daidai, sannan a sake girgiza sau 60;
Cire hannun riga na mold, goge duk wani turmi da ya wuce kima, sannan a shafa saman.

3. Lambobi:Gano lambar samfurin da wurin da aka yi amfani da shi. Samfuran da ke cikin tsarin gwaji ɗaya na iya zama na shekaru daban-daban.4.Tsaftacewa:A tsaftace tukunyar hadawa, ruwan wukake, da kuma mazubin fitar da ruwa kafin a gwada ko kuma a canza siminti.

5. Warkewa:Bayan an yi lambobi, sanya samfuran gwaji a cikin akwatin warkarwa (tare da grate a kwance da kuma saman da aka goge yana fuskantar sama).
Ya kamata a cire samfuran gwaji na tsawon awanni 24 daga cikin mold cikin mintuna 20 kafin su karye.
Ya kamata a cire samfuran gwaji masu shekaru 24 ko fiye daga cikin mold ɗin cikin awanni 20-24 bayan an samar da su (a rubuta lokacin).
Bayan an narkar da shi, a saka a cikin ruwa don ya warke (gwada tazarar samfurin ≥ 5 mm, zurfin ruwan saman saman ≥ 5 mm).
Ya kamata a wartsake samfuran gwaji iri ɗaya a cikin tanki ɗaya, a kiyaye matakin ruwa akai-akai (kar a maye gurbin dukkan ruwan).
Ya kamata a cire samfuran gwaji na shekarun da ake so mintuna 15 kafin a gwada su, a tsaftace su daga laka, sannan a rufe su da zane mai ɗanɗano.

Sarrafa Sakamako da RahotonsaƘarfin Matsi: Ka ba da rahoton matsakaicin lissafi na ƙarfin matsi na rabin samfuran shida, daidai yake da 0.1 MPa. Idan wani sakamako ya bambanta da matsakaicin fiye da ±10%, za a jefar da shi. Idan aka rage ƙasa da sakamako uku masu inganci bayan waɗannan jefar, dole ne a maimaita gwajin.