Nchịkọta nke Bars Steel Hollow Anchor
A na-emepụta ogwe ígwè arịlịka oghere na ngalaba nwere ogologo ogologo nke 2.0, 3.0 ma ọ bụ 4.0 m.Ọkọlọtọ elu dayameta nke oghere igwe oghere sitere na 30.0 mm ruo 127.0 mm.Ọ bụrụ na ọ dị mkpa, a na-aga n'ihu na nchara ígwè nwere oghere na mkpụrụ njikọ.A na-eji ụdị ihe ọkụkụ dị iche iche eme ihe na-adabere n'ụdị ala ma ọ bụ oke nkume.Ogwe ígwè nwere oghere dị mma karịa mmanya siri ike nke nwere otu mpaghara ebe a na-agafe agafe n'ihi àgwà nhazi ya ka mma n'ihe gbasara ịgbachi, gburugburu na ịgbado isi ike.Ihe si na ya pụta bụ nkwụsi ike dị elu na nkwụsi ike maka otu ego ígwè.
Nkọwapụta okporo osisi arịlịka nke onwe
| Nkọwapụta | R25N | R32L | R32N | R32 / 18.5 | R32S | R32SS | R38N | R38/19 | R51L | R51N | T76N | T76S |
| Dayameta dị n'èzí (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
| Dayameta nke ime, nkezi (mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
| Dayameta mpụga, dị irè (mm) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
| Ike ibu kacha (kN) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | 800 | 1600 | 1900 |
| Ike ibu ihe (kN) | 150 | 200 | 230 | 230 | 280 | 350 | 400 | 400 | 450 | 630 | 1200 | 1500 |
| Ike tensile, Rm(N/mm2) | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Ike mpụta, Rp0, 2(N/mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Ibu (kg/m) | 2.3 | 2.8 | 2.9 | 3.4 | 3.4 | 3.6 | 4.8 | 5.5 | 6.0 | 7.6 | 16.5 | 19.0 |
| Ụdị eri (aka ekpe) | ISO 10208 | ISO 1720 | Mai T76 ọkọlọtọ | |||||||||
| ọkwa ígwè | EN 10083-1 | |||||||||||
Ngwa nke okporo osisi arịlịka nke onwe
N'ime afọ ndị na-adịbeghị anya, site na mmụba na-arịwanye elu maka nkwado geotechnical, a na-emelite akụrụngwa na-egwupụta ihe mgbe niile ma mepụta ya.N'otu oge ahụ, ụgwọ ọrụ na mgbazinye ego abawanyela, na ihe ndị a chọrọ maka oge owuwu na-abawanye ụba.Tụkwasị na nke ahụ, iji okporo ụzọ arịlịka nke na-egwupụta onwe ya na ọnọdụ ala nke nwere ike ịdaba nwere mmetụta mgbakasị ahụ mara mma.Ihe ndị a emela ka ngwa ngwa na-arị elu nke mkpara arịlịka oghere nke onwe.A na-eji mkpara arịlịka olulu mmiri nke onwe ya eme ihe n'ọnọdụ ndị a:
1. A na-eji ya dị ka mkpanaka arịlịka agbadoro agbadoro: ejiri ya mee ihe n'ọnọdụ dị ka mkpọda ugwu, ngwupụta ala n'okpuru ala, na mgbochi sere n'elu mmiri iji dochie eriri arịlịka.A na-egwupụta mkpanaka oghere arịlịka nke onwe ya na omimi achọrọ, wee mechaa grouting njedebe.Mgbe emesiri ike, a na-etinye esemokwu;
2. Ejiri ya dị ka micropiles: Enwere ike ịkụnye onwe ya oghere oghere arịlịka mkpara na grouted ala na-etolite micropiles, na-ejikarị na ifufe ike osisi ntọala ntọala, nnyefe ụlọ elu ntọala, ụlọ ntọala, na-ejigide mgbidi ikpo ntọala, àkwà mmiri ikpo ntọala, wdg;
3. A na-eji maka ntu ala: a na-ejikarị akwado mkpọda, na-edochi mkpara arịlịka igwe nchara, na enwere ike iji ya maka nkwado olulu steepụ dị omimi;
4. Eji nkume ntu: N'ụfọdụ mkpọda nkume ma ọ bụ tunnels na oké elu ihu igwe ma ọ bụ nkwonkwo mmepe, onwe-egwupu ihe oghere arịlịka mkpara nwere ike iji maka mkpọpu ala na grouting na-ejikọta nkume blocks ọnụ ka mma ha kwụsie ike.Dị ka ihe atụ, a pụrụ ime ka mkpọda nkume nke okporo ụzọ awara awara na okporo ụzọ ụgbọ oloko nke na-adakarị ada, a pụkwara iji dochie ebe a na-adọba ụgbọala ndị e ji akwọ ụgbọ mmiri ndị a na-ejikarị eme ihe maka ịkwado n'oghere ọwara rụrụ arụ;
5. Nkwado ndabere ma ọ bụ njikwa ọdachi.Ka oge nkwado nke usoro nkwado geotechnical mbụ na-abawanye, ihe nkwado ndị a nwere ike izute ụfọdụ nsogbu ndị chọrọ nkwado ma ọ bụ ọgwụgwọ, dị ka nrụrụ nke mkpọda mbụ, nhazi nke ntọala mbụ, na ibuli elu okporo ụzọ.Enwere ike iji mkpara arịlịka nke na-egwupụta onwe ya mee ka ọ banye n'ime mkpọda mbụ, ntọala, ma ọ bụ n'ụzọ okporo ụzọ, wdg, maka ịchịkọta na nchikota nke mgbawa, iji gbochie ndapụta nke ọdachi ala.
