Sand: A dabara bayani dalla-dalla. yashi domin yi

Sand, da dabara na wanda shi ne kamar haka: SiO2, shi ne wani dutsen sedimentary kankara da kuma wucin gadi abu da ciwon da abun da ke ciki na abubuwa a cikin kankara. Popular sau da yawa shi kunshi m ma'adini da kuma ma'adinai da cewa shi ne silica.

Yau yashi samu ta tartsatsi a cikin yankunan da yawa na mutum aiki. Ga sama duk wajibi ne don gudanar masu zaman kansu da kuma masana'antu yi. Sand ya zama wani ɓangare na daban-daban da mafita ga samuwar tushe da kuma plastering saman.

description yashi

Halitta yashi - wani sako-sako da cakuda hatsi, a sulusi da murabba'i na wanda dabam daga 0,16 zuwa 5 mm. Abu kafa a hutu wuya dutse. Ya danganta da yadda jari ya faru, da yashi iya zama:

• deluvial.
• alluvial.
• Lake District.
• marine.
• aeolian.

A sakamakon haka, aiki kõguna da wuraren waha akwai Sands da cewa suna da wani taso da kuma taso siffar.

Babban halaye na ginin yashi

Sand, da dabara na wanda aka ambata a sama - shi ne sako-sako da nonmetallic abu wanda za a iya amfani da kusan duk wani aikin gine-gine. The girma na wadannan Sands ba kawai sanya na ma'adini, amma kuma feldspar. A cikin rawar da impurities ba lãka ma'adanai da kuma silicates.

A ƙasa Sands ne quite na kowa, duka a cikin teku, da a kan ƙasar. Porosity a cikin sako-sako da jihar ne kamar 47%, alhãli kuwa har zuwa 37% m. The yawa auna da coefficient na porosity. Ga wani karamin sulusi da murabba'i na yashi, wannan darajar ne 0.75.

Sand, wanda dabara iya zama da amfani kwararru yana da wani bude porosity cewa samar da ingancin permeability. Idan yashi da aka aza m, shi iya yarda da kuma rarraba da kaya irin ƙarfin lantarki a karkashin ginin. Module nakasawa Sands kananan sulusi da murabba'i jeri daga 30 zuwa 50 MPa.

A rabo daga daban-daban na yashi

Sand, wani dabara wanda ba haka sau da yawa ake bukata da magina, yana da wani musamman nauyi, dangane da iri-iri na kayan. Idan shi ne wani gini da yashi, sa'an nan kuma wannan darajar ne 1.5 t / m ^3, alhãli kuwa cubic mita na sako-sako da bushe turmi yashi za ku auna nauyi 1,44 m. A compacted form, wannan darajar karu zuwa 1,68 t / m ^3.

A rigar turmi yashi Tã 1,92 t / m ^3, da kuma a cikin compacted rigar musamman nauyi ne 2,54 t / m ^3. yashi taro zai bambanta daga kogin, ma'adini, marine da quarry jinsunan. The nauyi na wadannan Sands zai zama kamar haka: 1.6. 1.6. 1.62; 1.5 t / m ^3, bi da bi.

More game da yawa

Idan akai la'akari da kaddarorin da yashi, ya kamata a lura da cewa daya daga cikin muhimman halaye ne da yawa. Idan muna magana ne game da irin ma'adini abu, wannan alama da aka ƙaddara da ra'ayoyin biyu. Saboda haka, da girma yawa da kuma na iya zama gaskiya. Bulk ne m da taro don girma rabo a cikin girma jihar. A karkashin wannan darajar nufi ba kawai hatsi amma kuma cikin sararin samaniyar. Wannan darajar iya bambanta a kan zafi.

Building yashi kuma za a iya halin da gaskiya yawa, wannan darajar ne m, kuma Ya ƙaddara ta da rabo a cikin juz'i na dũkiyõyinsu a cikin m jihar. A wannan yanayin, da zafi ba da muhimmanci. The yawa dabam tare da sinadaran abun da ke ciki da kuma kwayoyin tsarin.

A gaskiya yawa na mafi girma. Taurin, abrasion crushability da yashi - su ne kai tsaye ba Manuniya ƙarfi. gwaje-gwaje ake gudanar a kan wani juyawa da'irar da kuma saka domin tabbatar da dalilin da wadannan sigogi. A hatsi haka clamped mechanically.

Standard da asali sigogi na ginin yashi

Yi yashi quarry da aka subdivided cikin kogin. Wannan abu da aka yi daidai da Gost 8736-93. Dangane da dalili, da ingancin da bisa al'ada sigogi wanda ayyana abun ciki daga lãka da ake wãtsarwa, da kayan za a iya raba biyu azuzuwan, kowanne daga abin da ta hatsi tsarin.

Chemical dabara na yashi da aka ambata a sama, amma shi ne - ba kawai fiye da sha'awar kwararru. Dangane da hatsi abun da ke ciki, da kayan za a iya classified ta size. A farko aji yana nufin krupnofraktsionny yashi, wanda aka samu da crushing screenings. Na biyu aji ya shafi yashi ne ba kawai sosai m yashi, amma kuma kananan, matsakaici da kuma lafiya abu.

Sand, wanda bako aka ambata a sama, na iya zama ma alluvial. Wannan abu da aka samu ta hanyar wanka da yashi quarry. Amfani ga ruwa a manyan girma, wanda damar zuwa canja abu daga lãka da tara. Alluvial yashi iya bayar da shawarar gaban tarar da ciwon size of 0.6 mm. Amfani da wannan irin yashi domin plastering, wanda shi ne a ke so gaban lãka.

A koyaushe size of kogin yashi

A sunadarai dabara iya taimaka da yashi, amma an wuya kula da masu zaman kansu master. More muhimmanci siga ne hatsi tsarin wanda aka bayyana da wani sa na sieves da raga masu girma dabam jere daga 0,16 zuwa 5 mm. Dry yashi wuce sieve cewa ba ka damar ayyana zaman kansu da kuma cike da tarkace. Girma total sharan zai ƙayyade hatsi tsarin.

Domin rokoki da za a yi amfani da tare da sieve fineness modulus na 1.2. Idan muna magana ne game da kankare, wannan darajar ya zama daidai da biyu. A wannan yanayin, da hatsi tsarin kankare aka kayyade Gost 10268-80. Sand amfani a yi dangane da factionalism. Popular sau da yawa, shi ne zuwa kashi ƙanana da manyan. A cikin farko idan barbashi masu girma dabam iya Range daga 1.25 zuwa 5, a karo na biyu - daga 0,16 zuwa 1.25 mm.

A dogara da da girma yawa daga cikin zafi

Halitta Sand iya samun girma yawa a cikin kewayon daga 1300 zuwa 1500 kg / m ^3. Material canja da girma da kuma girma yawa ta hanyar sauya zafi a cikin kewayon daga 0 zuwa 20%. Idan danshi abun ciki dabam daga 3 zuwa 10%, da yawa rage kamar yadda idan aka kwatanta da abin da yana a bushe yashi. Lalle ne, tare da kowane grit shi ne mai rufi da bakin ciki Layer na ruwa abu da kuma juz'i na karuwa. Idan zafi ƙaruwa, da ruwa, zai shiga cikin voids tsakanin hatsi, wuce iska. Bulk yawa a cikin wannan sabon karuwa, abin da ya kamata a yi la'akari lokacin da sashi abu da kundinta.

Features na babban irin yashi

Sand, Standard wanda aka ambata a cikin labarin an classified ta asalin da kuma samar da aiki. Alal misali, kogin yashi, an cirewa daga kogin gadaje, shi ne halin da wani babban mataki na tsarkakewa da kuma ba da duwatsu, lãka impurities da kuma kasashen waje al'amarin. Wanke rami yashi samar a cikin wani quarry da wanka, sakamakon gare cire turɓãya da lãka barbashi.

Seeded rami yashi ne mined a wani quarry, barrantar da duwatsu da kuma manyan-sized inclusions. An yadu amfani a yi na da mafita ga kafuwar aiki, masonry kuma da filasta a shirye-shiryen. Career seeded yashi sau da yawa ya zama tushen da kwalta Mixes.

Gina yashi ne mai inorganic particulate abu wanda aka kafa ta da wata halitta karaya dutse. Artificial nauyi yashi - wani sako-sako da cakuda, wanda aka samu da crushing kankara ta type:

• farar ƙasa.
• dutse.
• marmara.
• slags.

M hatsi siffar da aka samu, da kuma surface - m. Wannan abu da ake amfani da matsayin filler kuma a lokacin plastering aiki, idan akwai bukatar a cimma wata ri sakamako irin zane skim Layer.

Artificial yashi iya zama wani ɓangare na wani Layer na plaster, tare da factionalism iya zama daban-daban, dangane da mafita da kuma aikin da bukatun.

Artificial yashi da aka samar daga ci slag, kuma a cikin aiki da kwal da aka kone su. A sakamakon haka, da kayan samu low sulfur abun ciki na wanda ingancin skim Layer dogara. A dauke da fitar plaster yin amfani da wucin gadi yashi tare da shi za a iya amfani da su ajiye chippings, foda da kwakwalwan kwamfuta na wannan irin.

ƙarshe

A kudin yashi dogara a kan ta yi da kuma sadarwa tare da wani m quarry yankunan amfani. A mafi arha halitta quarry yashi ba shige kara aiki. A cikinsa akwai manyan lumps daga lãka, kuma silt barbashi lãka ciki. Bayan kammala aiki na yashi farashin ƙaruwa. Seeded yashi iya kudin 2 sau fi tsada fiye da wanda ya riga.