Na'urar Iyakan Ruwa ta Manual

Na'urar Iyakan Ruwa ta Manual

Ana amfani da na'urar iyaka ta Liquid Liquid Manual (Casagrande) don tantance abun cikin damshin da ƙasan yumbu ke wucewa daga filastik zuwa yanayin ruwa.Na'urorin sun ƙunshi daidaitaccen crank da na'urar kyamarorin kyamarorin, injin bugu da ƙoƙon tagulla mai cirewa wanda aka dace akan tushe.

Ana amfani da mitar iyaka na nau'in tasa don auna iyakar ruwa na ƙasa.Kayan aiki ne da ake amfani da shi don ƙira da gini don rarraba nau'ikan ƙasa, ƙididdige daidaiton yanayi da ma'aunin filastik.

Hanyar gwaji

1. Azuba samfurin ƙasa a cikin kwanon ruwa mai ƙafewa, ƙara 15 zuwa 20 ml na ruwa mai narkewa, maimaita maimaitawa sannan a kwaɗa shi da wuƙa mai daidaita ƙasa har sai ta gauraya sosai, sannan a ƙara 1 zuwa 3 ml na ruwa kowane lokaci, sannan a gauraya sosai. bisa ga hanyar da ke sama.duka.

2. Lokacin da aka haɗa kayan ƙasa tare da isasshen ruwa don cimma daidaito, daidai yake da buƙatar sauke sau 30 zuwa 35 don haɗuwa.Sanya wani yanki na yumbu a cikin tasa a sama inda tasa ya taɓa farantin ƙasa.Yi amfani da wuka mai daidaita ƙasa don danna man ƙasa zuwa wata siffa, kula da danna ta sau kaɗan sosai, kuma hana blisters daga gauraye cikin ƙasa manna.Yi amfani da wuka mai daidaita ƙasa don santsin saman ƙasar manna, kuma mafi ƙanƙan ɓangaren manna ƙasa shine kauri cm 1.Ƙasar da ta wuce gona da iri ana mayar da ita zuwa tasa mai ƙafewa, kuma manna ƙasa a cikin tasa yana raguwa tare da diamita tare da tsagi daga mai bin cam.An kafa madaidaicin ma'auni, ƙayyadadden ramin.Don hana gefen tsagi ya tsage ko man ƙasa ya zame a cikin tasa, aƙalla bugun guda shida daga gaba zuwa baya da baya zuwa gaba ana barin su maye gurbin tsagi ɗaya, kowane bugun jini yana zurfafawa a hankali har zuwa ƙarshe.Muhimmiyar hulɗa tare da kasan tasa ya kamata a zira kwallaye a matsayin 'yan lokutan da zai yiwu.

3. Juya hannun crank F a gudun juyi 2 a sakan daya don sa farantin ƙasa ya tashi ya faɗi har sai rabi biyu na ƙasa ya taɓa ƙasan tsagi kamar 1/2 inch (12.7 mm).Yi rikodin adadin hits da ake buƙata don tsayin inch 1/2 na haɗin ƙasan tsagi.

4. Yanke yanki na ƙasa perpendicular zuwa ramin daga gefen ƙasa zuwa gefe, faɗin wanda faɗinsa kusan daidai yake da faɗin wuƙar yankan ƙasa, gami da ƙasa a ramin rufaffiyar, saka shi a cikin akwatin auna daidai. auna ki hada shi.Yi rikodin.Gasa zuwa nauyi akai-akai a 230°±9°F (110°±5°).Nan da nan bayan sanyaya kuma kafin tsotsa a cikin ruwa mai laushi, auna.Yi rikodin asarar nauyi bayan bushewa azaman nauyin ruwa.

5. Matsar da sauran kayan ƙasa a cikin tasa zuwa tasa mai kwashewa.A wanke da bushe tasa da tsinke, kuma sake loda tasa don gwaji na gaba.

6. Yi amfani da kayan ƙasa da aka matsa zuwa tasa mai ƙafewa don ƙara ruwa don ƙara yawan ruwan ƙasa, kuma yi aƙalla ƙarin gwaje-gwaje guda biyu bisa ga hanyar da ke sama.Manufar ita ce don samun samfuran ƙasa na daidaito daban-daban, kuma adadin digo da ake buƙata don sanya haɗin gwiwar manna ƙasa ta gudana tare ya fi ko ƙasa da sau 25.Yawan digo da aka samu ya kamata ya kasance tsakanin sau 15 zuwa 35, kuma ana yin samfurin ƙasa koyaushe daga bushewa zuwa yanayin rigar a cikin gwajin.

7. Lissafi

a Yi ƙididdige abin da ke cikin ruwa WN na ƙasa, wanda aka bayyana azaman kashi na busasshen nauyin ƙasa;

WN=(nauyin ruwa × bushewar ƙasa) ×100

8. Zana madaidaicin kwararar filastik

Yi la'akari da 'roba kwarara kwana' a kan Semi-logarithmic takarda;yana wakiltar alakar da ke tsakanin abun cikin ruwa da adadin digowar tasa.Ɗauki abun cikin ruwa azaman abcissa kuma yi amfani da ma'aunin lissafi, kuma yi amfani da adadin faɗuwa azaman daidaitawa kuma yi amfani da ma'aunin logarithmic.Layin filastik madaidaiciya layi ne, wanda yakamata ya wuce ta maki uku ko fiye gwargwadon iyawa.

9. Iyakar ruwa

A kan magudanar ruwa, an ɗauki abun cikin ruwa a digo 25 a matsayin iyakar ruwa na ƙasa, kuma an zagaya kimar zuwa lamba.

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Na baya: Ruwan Laminar Tsabtace Bench

Na gaba: 200TON Manual Concrete Block Compressive ƙarfi Gwajin Injin

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