Ikpo okwute granite bụ ikpo okwu e ji granite mee. E ji nkume igneous kpụọ granite, ọ bụkwa nkume siri ike, nke e ji kristal mee. Na mbụ, e ji feldspar, quartz, na granite mee ya, e ji otu ma ọ bụ karịa mineral ojii gwakọta ya, ha niile dị n'otu ụkpụrụ.
Isi ihe mejupụtara granite bụ quartz, feldspar, na mica. Feldspar bụ 40%-60%, ebe quartz bụ 20%-40%. Agba ya dabere na ụdị na ọnụọgụ nke ihe ndị a. Granite bụ nkume kristal zuru oke. Granite dị elu nwere mkpụrụ dị mma ma dị otu, nhazi dị oke, ọdịnaya quartz dị elu, na shein feldspar na-egbuke egbuke.
Granite nwere nnukwu silica, nke na-eme ka ọ bụrụ nkume acidic. Ụfọdụ granite nwere obere ihe redioaktivu, yabụ a ga-ezere ụdị granite ndị a maka ojiji n'ime ụlọ. Granite nwere usoro dị oke arọ, udidi siri ike, ọ na-eguzogidekwa asịd, alkalis, na ihu igwe, nke na-eme ka ọ dị mma maka ojiji n'èzí ogologo oge. Granite nwere njirimara ndị a:
1. Granite nwere usoro dị oke nkọ, ike nrụgide dị elu, obere mmiri ịmịkọrọ, ike dị elu, ezigbo nkwụsi ike kemịkalụ, na ike siri ike, mana ọ naghị eguzogide ọkụ.
2. Granite nwere nhazi granular nke nwere obere mkpụrụ, ọkara, ma ọ bụ nke siri ike, ma ọ bụ nhazi porphyritic. Mkpụrụ ya dị otu ma dịkwa mma, nwere obere oghere (porosity na-abụkarị 0.3% ruo 0.7%), obere mmiri na-amịkọrọ (na-abụkarị 0.15% ruo 0.46%), yana ezigbo iguzogide ntu oyi.
3. Granite siri ike, ike Mohs dị ihe dịka 6 na njupụta dị site na 2.63 g/cm³ ruo 2.75 Oke g/(cm³) nwere ike nrụgide nke 100-300 MPa, granite grain nwere obere granite na-eru ihe karịrị 300 MPa. Ike ya na-agbanwe agbanwe na-adịkarị n'etiti 10 na 30 MPa.
Nke anọ, granite nwere oke mmepụta, ọ na-adabara ọtụtụ usoro nhazi, ma nwee ezigbo ihe eji ejikọta slab. Ọzọkwa, granite anaghị adị mfe iguzogide, nke na-eme ka ọ dabara adaba maka ihe ịchọ mma n'èzí.
Ịnọgide na-enwe ikpo okwu marble (slab marble) chọrọ ịchọpụta ihe ndị a ga-anabata na ihe achọrọ maka mmezi nke ikpo okwu marble dị ugbu a, yana ịchọpụta ma elu ọrụ ahụ nwere olulu. Ọ bụrụ na ikpo okwu marble nwere obere olulu n'elu ya, a ga-eweghachi ya na ụlọ ọrụ mmepụta ihe maka nhazi. Ọ bụrụ na nkenke agbanweela naanị, a ga-arụzi ya n'ebe a na-eji ya. Mgbe ejiri ya ogologo oge, ugboro ugboro, ikpo okwu marble ga-adị. Ọ bụrụ na ikpo okwu marble dị larịị, njehie ziri ezi ga-abawanye nwayọ nwayọ, na-ebute nkenke na-ezighi ezi. N'okwu a, ọ chọrọ ndozi.
Usoro mmezi maka ikpo okwu marble:
1. Lelee kpọmkwem nke ikpo okwu mabụl ahụ ma chọpụta njehie ya ugbu a.
2. Jiri ihe e ji ehicha ihe na ngwa igwe gwerie ihe mee ka ikpo okwu mabụl ahụ sie ike iji ruo ọkwa achọrọ.
3. Nchikota nke abụọ nke ikpo okwu mabụl ahụ mgbe e gweri ya nke ọma bụ iwepụ ihe ndị gbara ọkpụrụkpụ ma nweta ọkwa achọrọ.
4. Ghee elu ọrụ nke ikpo okwu mabụl ahụ iji nweta nkenke achọrọ.
5. Nwalee izi ezi nke ikpo okwu mabụl ahụ mgbe emechara ya, nakwa mgbe oge ụfọdụ gasịrị.
Oge ozi: Sep-01-2025