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N'ihi nsogbu ndị dị na teknụzụ ciment-ala na-agwakọta ikpo okwu teknụzụ, dị ka nkesa na-ezighi ezi nke ike ikpo ahụ, nnukwu nsogbu ihe owuwu, yana mmetụta dị ukwuu na ịdị mma nke mmadụ, teknụzụ ọhụrụ nke DMP dijitalụ micro-perturbation anọ. axis mixing ikpo e mepụtara. Na nkà na ụzụ a, ihe ọkụkụ anọ nwere ike ịgbasa slurry na gas n'otu oge ma na-arụ ọrụ na ọtụtụ n'ígwé nke mbelata akụkụ akụkụ iji bee ala n'oge usoro nhazi ikpo. agbakwunyere usoro ịgbasa ntugharị elu-ala, ọ na-edozi nsogbu nke nkesa ike na-ezighi ezi nke ikpo ahụ, ma nwee ike belata oriri ciment nke ọma. Site n'enyemaka nke oghere a kpụrụ n'etiti ọkpọkọ ọkpọkọ pụrụ iche na ala, a na-ahapụ slurry ahụ n'onwe ya, nke na-enweta ntakịrị nsogbu nke ala gburugburu ikpo n'oge usoro ihe owuwu. Usoro njikwa dijitalụ na-achọpụta nrụpụta akpaaka nke nhazi ikpo, ma nwee ike nyochaa, dekọọ ma nye ịdọ aka ná ntị mmalite maka usoro nhazi ikpo n'oge.
Okwu mmalite
A na-eji ikpo okwute ciment-ala mee ihe n'ọtụtụ ebe n'ọhịa nke ịrụ ọrụ injinia: dị ka nkwado ala na ákwà mgbochi mmiri na ọrụ olulu ntọala; nkwado oghere na ọwara ọta na ọkpọkọ jacking olulu mmiri; ọgwụgwọ ntọala nke ala na-adịghị ike; mgbochi-isepage na nchekwa nchekwa mmiri na-arụ ọrụ mgbidi yana ihe mgbochi na ebe a na-ekpofu ahịhịa na ihe ndị ọzọ. Ka ọ dị ugbu a, ka ọnụ ọgụgụ nke ọrụ na-ebuwanye ibu, ihe ndị a chọrọ maka ịrụ ọrụ nke ọma na nchebe gburugburu ebe obibi nke ciment-ala na-agwakọta ikpo ọkụ aghọwo ihe dị elu na elu. Tụkwasị na nke ahụ, iji mezuo ihe nchebe gburugburu ebe obibi na-agbagwoju anya na-adịwanye mgbagwoju anya gburugburu owuwu ihe owuwu ahụ, a ghaghị ịchịkwa àgwà owuwu nke ikpokọta ciment-ala. Na ibelata mmetụta ihe owuwu na gburugburu gburugburu abụrụla mkpa dị ngwa.
Ihe owuwu nke ikpokọta agwakọta na-ejikarị ihe ngwungwu agwakọta na-agwakọta ciment na ala dị n'ebe ahụ iji mepụta ikpo nwere ụfọdụ ike na arụ ọrụ mgbochi ịhụpage. Simenti a na-ejikarị na ikpokọta ala na-agụnye otu-axis, axis abụọ, axis atọ na axis ise simenti na ikpokọta ala. Ụdị ikpo ngwakọta ndị a nwekwara usoro ịgbanye na ngwakọta dị iche iche.
Okpokoro ngwakọta nke otu-axis nwere naanị otu ọkpọkọ ọkpọkọ, a na-efesa ala ala, a na-eme ngwakọta ahụ site na ọnụ ọgụgụ dị nta nke agụba. Nke a na-ejedebe site na ọnụ ọgụgụ nke ọkpọkọ ọkpọkọ na ngwakọta ngwakọta, na arụmọrụ ọrụ dị ntakịrị;
Okpokoro agwakọta biaxial nwere ọkpọkọ ọkpọkọ 2, yana ọkpọkọ slurry dị iche n'etiti maka ikpochapụ. Abụọ akuakuzinwo ọkpọkọ enweghị grouting ọrụ n'ihi na akuakuzinwo ibe n'akụkụ abụọ mkpa ka a na-akpali ugboro ugboro ime ka slurry sprayed si n'etiti slurry ọkpọkọ n'ime ụgbọ elu nso. Nkesa nkesa bụ otu, ya mere a na-achọ usoro "spray abụọ na mkpagharị atọ" n'oge a na-arụ ọrụ nke okpukpu abụọ, nke na-egbochi ịrụ ọrụ nke ọma nke okpukpu abụọ, na ịdị n'otu nke ikpokọta ikpo ọkụ dịkwa njọ. Omimi ihe owuwu kacha elu bụ ihe dịka mita 18 [1];
Ngwakọta ngwakọta nke atọ axis nwere ọkpọkọ ọkpọkọ atọ, nke a na-efesa grout n'akụkụ abụọ yana ikuku abịakọrọ n'etiti. Nhazi a ga-eme ka ike nke etiti etiti dị ntakịrị karịa nke akụkụ abụọ, na ikpo ahụ ga-enwe njikọ na-adịghị ike na ụgbọ elu; na mgbakwunye, ikpokọta ngwakọta atọ axis Simenti mmiri a na-eji dị ntakịrị, nke na-ebelata ike nke ikpo ahụ ruo n'ókè ụfọdụ;
Igwe ngwakọta nke axis ise na-adabere na abụọ-axis na atọ-axis, na-agbakwụnye ọnụ ọgụgụ nke mixing mkpanaka mkpara iji melite arụmọrụ ọrụ, na imeziwanye ogo nke ikpo ahụ site n'ịba ụba ọnụ ọgụgụ nke ngwakọta [2-3]. . Usoro nke ịgbasa na ịgwakọta dị iche na nke abụọ mbụ. Ọ dịghị ihe dị iche.
Ọgba aghara a na-enwe na ala gbara ya gburugburu n'oge a na-arụ ikpokọta ciment na ala na-abụkarị site na ịpị na mgbawa nke ala nke mkpali nke agụba agwakọta, na ntinye na nkewa nke ciment slurry [4-5]. N'ihi nnukwu ọgba aghara kpatara owuwu nke ikpokọta ngwakọta a na-emekarị, mgbe ị na-arụ ọrụ na gburugburu ebe obibi dị nro dị ka ụlọ ọrụ obodo dị n'akụkụ na ụlọ echedoro, ọ na-adịkarị mkpa iji ọnụ ahịa jet grouting dị elu gburugburu (MJS) ma ọ bụ otu. -axis mixing ikpo (IMS usoro) na ndị ọzọ micro-structures. Ụzọ ihe owuwu na-akpaghasị.
Tụkwasị na nke ahụ, n'oge a na-ewu ikpokọta ihe ndị a na-emekarị, ihe ndị dị mkpa na-ewu ihe dịka nkwụsị na ibuli ọsọ nke ọkpọkọ ọkpọkọ na ọnụ ọgụgụ nke shotcrete nwere njikọ chiri anya na ahụmahụ nke ndị na-arụ ọrụ. Nke a na-emekwa ka o sie ike ịchọta usoro ihe owuwu nke ikpokọta ngwakọta na-eme ka ọdịiche dị na àgwà nke ikpo ọkụ.
Iji dozie nsogbu nke ot ciment-ala Ịgwakọta ikpo dị ka uneven ikpo ike nkesa, nnukwu ewu nsogbu, na ọtụtụ mmadụ nnyonye anya ihe, Shanghai engineering obodo emepụtala ọhụrụ digital micro-perturbation anọ axis Ịgwakọta ikpo technology. Isiokwu a ga-ewebata n'ụzọ zuru ezu e ji mara na engineering ngwa mmetụta nke anọ-axis Ịgwakọta ikpo technology na shotcrete Ịgwakọta technology, ewu nsogbu njikwa na akpaghị aka ewu.
1, DMP digital micro-perturbation anọ axis Ịgwakọta ikpo akụrụngwa
The DMP-I digital micro-perturbation anọ-axis agwakọta ikpo ọkwọ ụgbọala akụrụngwa tumadi mejupụtara a agwakọta usoro, a ikpo etiti usoro, a gas ọkọnọ usoro, ihe akpaka pulping na pulp ọkọnọ usoro, na a dijitalụ akara usoro ịghọta akpaghị aka ikpo ewu. .
2, Ịgwakọta na spraying usoro
Ejiri ọkpọkọ egwu egwu anọ nwere ọkpọkọ shotcrete na ọkpọkọ jet n'ime. Dị ka e gosiri na foto 2, isi ihe ọkụkụ ahụ nwere ike ịgbasa slurry na ikuku abịakọrọ n'otu oge ahụ n'oge a na-emepụta ikpo ọkụ, na-ezere nsogbu ndị sitere na nsị nke ụfọdụ ọkpọkọ na ịgbanye ọkpọkọ ụfọdụ. Nsogbu nke nkesa na-enweghị isi nke ike ikpo ọkụ na ụgbọ elu; n'ihi na ọkpọkọ ọkpọkọ ọ bụla nwere ntinye nke ikuku abịakọrọ, enwere ike ibelata nguzogide ngwakọta nke ọma, nke na-enye aka maka iwu ụlọ n'ígwé ala siri ike na ájá ájá, ma nwee ike ime ka ciment na ala gwakọta. Na mgbakwunye, ikuku abịakọrọ nwere ike mee ka usoro carbonation nke ciment na ala dịkwuo ngwa ma melite ike mbụ nke ciment na ala na ikpokọta ngwakọta.
The mixing akuakuzinwo bit nke DMP-I digital micro-perturbation anọ-axis ngwakọta ikpo ọkwọ ụgbọala na-onwem na 7 n'ígwé nke agbanwe-n'akuku agwakọta agụba. Ọnụ ọgụgụ nke ịgwakọta ala otu ebe nwere ike iru ugboro 50, karịa karịa ugboro 20 nke nkọwapụta kwadoro; ihe ngwungwu na-agwakọta A na-eji eriri dị iche iche na-adịghị atụgharị na ọkpọkọ ọkpọkọ n'oge usoro nhazi ikpo, nke nwere ike igbochi ịmepụta bọọlụ ụrọ. Nke a nwere ike ọ bụghị naanị na-abawanye ọnụ ọgụgụ nke ala Ịgwakọta ugboro, ma na-egbochi guzobe nnukwu ala clods n'oge Ịgwakọta usoro, si otú huu The uniformity nke slurry na ala.
DMP-m digital micro-perturbation anọ-axis Ịgwakọta ikpo adopts elu-ala mgbanwe shotcrete technology dị ka e gosiri na Figure 3. E nwere abụọ n'ígwé nke shotcrete ọdụ ụgbọ mmiri na Ịgwakọta akuakuzinwo isi. Mgbe ọ mikpuru, a na-emeghe ọdụ ụgbọ mmiri shotcrete nke ala. A na-agwakọta slurry a na-efesa n'ụzọ zuru ezu na ala n'okpuru ọrụ nke elu ngwakọta agụba. Mgbe a na-ebuli ya, a na-emechi ọdụ ụgbọ mmiri shotcrete dị ala ma n'otu oge ahụ Mepee ọdụ ụgbọ mmiri dị elu ka slurry nke a na-esi n'ọdụ ụgbọ mmiri dị elu nwee ike ịgwakọta ya na ala n'okpuru ọrụ nke eriri ala. N'ụzọ dị otú a, slurry na ala nwere ike n'ụzọ zuru ezu kpaliri n'oge dum usoro nke imi na-akpali akpali, nke n'ihu enhances uniformity nke ciment na ala n'ime omimi nso nke ikpo ahu, na n'ụzọ dị irè solves nsogbu nke abụọ-axis na atọ. -axis agwakọta ikpo technology na akuakuzinwo ọkpọkọ ebuli usoro. Nsogbu a bụ na slurry ndị a na-efesa n'ọdụ ụgbọ mmiri mgbaba n'ala enweghị ike ịkpali nke ọma site na agụba na-akpali akpali.
3, Micro-ọgbaghara na-ewu njikwa
The cross-ngalaba nke akuakuzinwo ọkpọkọ nke DMP-I digital micro-perturbation anọ axis agwakọta ikpo ọkwọ ụgbọala bụ oval-dị ka pụrụ iche ekara udi. Mgbe ọkpọkọ a na-egwupụta ihe na-agbagharị, sikwa ma ọ bụ bulite, a ga-emepụta ihe na-asọpụta na ọwa iyuzucha n'akụkụ ọkpọkọ ọkpọkọ. Mgbe ị na-akpali akpali, Mgbe n'ime nrụgide nke ala karịa na-n'ọnọdụ nrụgide, na slurry ga- ndammana ahapụ tinyere slurry ihapu ọwa gburugburu akuakuzinwo ọkpọkọ, si otú na-ezere squeezing nke ala kpatara ìgwè slurry gas mgbali nso. ngwakọta akuakuzinwo bit.
The DMP-I digital micro-perturbation anọ-axis Ịgwakọta ikpo ọkwọ ụgbọala na-onwem na ihe n'okpuruala mgbali nlekota oru usoro na akuakuzinwo bit, nke Monitors mgbanwe n'okpuruala mgbali na ozugbo n'oge dum ikpo guzobe usoro, na-ahụ na n'okpuruala nsogbu bụ. na-achịkwa n'ime oke ezi uche dị na ya site n'ịgbanwe nrụgide gas slurry. N'otu oge ahụ, agụba dị iche iche ahaziri ahazi nwere ike igbochi ụrọ nke ọma ịrapagidesi ike na ọkpọkọ a na-egwupụta ihe na imepụta bọọlụ apịtị, yana belata nguzogide ngwakọta na ọgba aghara ala.
4, ọgụgụ isi na-ewu akara
The DMP-I digital micro-perturbation anọ-axis Ịgwakọta ikpo ọkwọ ụgbọala akụrụngwa na-onwem na a dijitalụ akara usoro, nke nwere ike na-aghọta akpaghị aka ikpo ewu, ndekọ iwu usoro parameters na ozugbo, na nyochaa na-enye n'oge ịdọ aka ná ntị n'oge ikpo guzobe usoro.
The dijitalụ akara usoro nwere ike na-akpaghị aka mezue owuwu nke Ịgwakọta ikpo dabere na-ewu parameters kpebisiri ike site ikpe ikpe. Ọ nwere ike na-akpaghị aka ịchịkwa sinking na ibuli nke ịgwakọta usoro, slurry eruba matching na ikpo guzobe ọsọ na ngalaba dị ka nkesa nke vetikal ala oyi akwa, mezie jet mgbali dị ka set uru nke ala mgbali, na-achịkwa ewu Filiks. dị ka elu na ala ntụgharị nke ịgba grouting. Nke a na-ebelata mmetụta nke ihe ndị mmadụ na-arụ n'ịdị mma nke ikpokọta ngwakọta n'oge a na-ewu ihe, ma na-eme ka ntụkwasị obi na ịdịgidesi ike nke ịdị mma nke ikpokọta ihe.
Site n'enyemaka nke sensọ ziri ezi arụnyere na akụrụngwa ahụ, sistemụ njikwa dijitalụ nwere ike nyochaa usoro ihe owuwu isi dị ka ịgwakọta ọsọ ọsọ, ịgbanye olu, nrụgide slurry na eruba, na nrụgide n'okpuru ala, ma nwee ike inye ịdọ aka ná ntị mbụ maka ọnọdụ ihe owuwu na-adịghị mma, na-abawanye nchekwa. nke ngwakọta ikpo owuwu usoro. Nghọta na oge nke idozi nsogbu. N'otu oge ahụ, usoro njikwa dijitalụ nwere ike ịdekọ paramita nke usoro ihe owuwu ahụ dum ma bulite ihe owuwu e dekọrọ na ikpo okwu ígwé ojii ozugbo site na modul netwọk maka nlele na nyocha dị mfe, na-eme ka eziokwu na nchekwa nke data emepụtara. n'oge usoro ihe owuwu.
5, Owuwu teknụzụ na parameters
The DMP digital micro-disturbance anọ-axis agwakọta ikpo usoro tumadi na-agụnye ihe owuwu nkwadebe, ikpe mwube ikpo ewu na iwu ikpo ewu. Dị ka ihe owuwu nke enwetara site na owuwu ikpo okwu ikpe, usoro njikwa ihe owuwu dijitalụ na-amata nrụpụta akpaaka nke ikpo. Ejikọtara ya na ahụmịhe injinia n'ezie, enwere ike ịhọrọ paramita ihe owuwu egosiri na Tebụl 1. Dị iche na ikpokọta ngwakọta a na-emekarị, mmiri-na-ciment ruru nke a na-eji maka nchịkọta anọ axis dị iche iche mgbe ị na-emikpu ma na-ebuli elu. Mmiri na-ciment ruru nke a na-eji maka ịmị mmiri bụ 1.0 ~ 1.5, ebe mmiri na-ciment ruru maka ibuli bụ 0.8 ~ 1.0. Mgbe ị na-emikpu ma na-akpali akpali, ciment slurry nwere nnukwu mmiri-ciment ruru, na slurry nwere mmetụta dị nro zuru oke na ala, nke nwere ike ibelata nguzogide na-akpali akpali; mgbe a na-ebuli elu, ebe ọ bụ na agwakọtala ala dị n'ime ikpo ahụ, ntakịrị mmiri-ciment ruru nwere ike ịbawanye ike nke ikpo ahụ nke ọma.
N'iji usoro ịgwakọta shotcrete ahụ a kpọtụrụ aha n'elu, ikpokọta ngwakọta axis anọ nwere ike nweta otu mmetụta ahụ dị ka usoro a na-ejikarị na ciment ọdịnaya nke 13% ruo 18%, na-ezute ihe ndị injinia chọrọ maka ike na enweghị ike nke ciment-ala na-agwakọta ikpo. , ma n'otu oge ahụ na-eweta mgbanwe n'ihi ciment Uru nke ibelata dose ahụ bụ na ala na-anọchi anya n'oge usoro ihe owuwu na-ebelatakwa ya. The inclinometer arụnyere na akuakuzinwo ọkpọkọ na-edozi nsogbu nke siri ike na-achịkwa verticality n'oge ewu nke omenala ciment-ala ngwakọta ikpo. Ntụle kwụ ọtọ nke ikpokọta ọnụ axis anọ nwere ike iru 1/300.
6, Ngwa injinia
Iji nwetakwuo ọmụmụ ikpo ahụ ike nke DMP digital micro-perturbation anọ axis Ịgwakọta ikpo na mmetụta nke ikpo-akpụ usoro na gburugburu ala, ubi nnwale e rụrụ na dị iche iche stratigraphic ọnọdụ. The ike nke simenti na ala isi samples tụrụ na 21st na 28th ụbọchị nke anakọtara mixing ikpo isi samples ruru 0.8 MPa, nke na-emezu ihe ndị a chọrọ maka ciment na ala ike na ot n'okpuruala engineering.
N'iji ya tụnyere ciment-ala omenala na-agwakọta ikpo, nke a na-ejikarị na-agba gburugburu elu-nrụgide jet grouting (MJS usoro) na micro-disturbance mixing ikpo (IMS usoro) nwere ike budata ibelata kehoraizin mgbapụ nke gburugburu ala na n'elu mmezi kpatara ikpo ewu ewu. . . N'ime usoro injinia, a na-amata ụzọ abụọ a dị n'elu dị ka usoro ihe nrụpụta micro-disturbance ma na-ejikarị arụ ọrụ injinia nwere nnukwu ihe achọrọ maka nchekwa gburugburu ebe obibi.
Tebụl 2 tụlere data nleba anya nke ala gbara ya gburugburu na nrụrụ elu nke DMP dijitalụ micro-perturbation anọ na-agwakọta ikpo okwu, usoro ihe owuwu MJS na usoro iwu IMS n'oge usoro ihe owuwu. N'oge usoro ihe owuwu nke micro-perturbation anọ-axis mixing ikpo, n'ebe dị anya nke 2 mita site na ikpo ahụ A pụrụ ịchịkwa ntugharị kwụ ọtọ na elu elu nke ala na ihe dịka 5 mm, nke kwekọrọ na usoro iwu MJS. na usoro ihe owuwu nke IMS, ma nwee ike nweta obere nsogbu na ala dị n'akụkụ ikpo n'oge usoro nhazi ikpo.
Ugbu a, DMP digital micro-disturbance anọ-axis mixing ikpo ejirila nke ọma na ụdị ọrụ dị iche iche dị ka nkwado ntọala na ntọala olulu engineering na Jiangsu, Zhejiang, Shanghai na ebe ndị ọzọ. Ijikọta nyocha na mmepe na ngwa injinia nke teknụzụ na-agwakọta ikpo ọkụ anọ, a chịkọtara “Technical Standard for Micro-Disturbance Four-axis Mixing Pile” (T/SSCE 0002-2022) (Shanghai Civil Engineering Society Group Standard). na-agụnye akụrụngwa, imewe, ewu na ule, wdg Specific chọrọ ka etinyere standardize ngwa nke DMP digital micro-perturbation anọ axis Ịgwakọta ikpo technology.
Oge nzipu: Sep-22-2023