Ihe oru ngo

1. Ntọala nhazi ọkwa nke ọrụ a bụ klaasị A, a na-ejikwa ikpo ikpo ọkụ rotary.

2. Ngwurugwu na-ebu na njedebe ikpo bụ dolomite ihu igwe na oyi akwa ≤4≥, ụkpụrụ ọkọlọtọ nke njedebe njedebe na-erughị 5000kPa, dayameta nke ikpo bụ d = 800, na oyi akwa oyi akwa bụ ≥ 0.5m.Ma ọ bụ ≤3≥2 n'ígwé nke silty ụrọ, ọkọlọtọ uru nke ọgwụgwụ ọgwụgwụ adịghị erughị 1500kPa, na ikpo dayameta d = 800, na irè ikpo ogologo bụ ≥35m.

3. Ihe:

(1) The ike ọkwa nke ihe nke ikpo ozu: C30, ihe owuwu nke mmiri n'okpuru mmiri wụsara ga-rụrụ dị ka chọrọ nke 6.3.26 ~ 6.3.30 nke "Technical Specification for Building Pile Foundation" JGJ94. .

Ala saịtị ahụ dị ntakịrị corrosive na isi ihe owuwu na ogwe ígwè na ihe owuwu ihe a na-emesi ike, na ihe owuwu ahụ kwesịrị ịdị n'usoro "Code for Anti-corrosion Design of Industrial Buildings" GB50046-2008.

A ga-eme usoro mgbochi corrosion kwekọrọ na ya dị ka usoro dị mkpa dị na Kushion: C15;Okpokoro okpu: C30;Obere ala: C30;Nkọwa izugbe nke Nhazi zuru oke nke kọlụm.

(2) Ogwe igwe:

HPB300 ọkwa (akara: Φ), fy=270MPa;HRB400 ọkwa (akara: Φ), fy=360MPa;HRB500 (akara: Φ), fy=435MPa.

4. The ọkpụrụkpụ nke na-echebe oyi akwa nke longitudinal mkwado nke ikpo ahu bụ 50mm, na longitudinal nkwado nke ikpo ahu kwesịrị mechanically jikọọ ma ọ bụ welded.

Nkọwa nnabata (GB50204) 5.4.5 na 5.4.6 chọrọ.A kọwapụtara ọkpụrụkpụ nke oyi akwa mkpuchi ihe na "Tebụlụ ihe mkpuchi ihe mkpuchi ihe mkpuchi ihe ndabere";nkọwa n'ozuzu nke kọlụm nkọwa nkọwa.

5. Nchọpụta ikpo ntọala:

(1) Nnwale ibu:

a.Iji chọpụta ikike ibu mpịakọta kwụ ọtọ nke otu ikpo, a na-eji nnwale ibu kwụ ọtọ.Ọkọlọtọ uru nke ike ibu oke kwụ ọtọ nke otu ikpo bụ 4000KN.

b.N'okpuru otu ọnọdụ (ụdị ikpo ọkụ ọ bụla), ọnụ ọgụgụ nke nyocha ekwesịghị ịbụ ihe na-erughị 3, ma ghara ịbụ ihe na-erughị 1% nke ọnụ ọgụgụ nke ikpo ọkụ;mgbe ngụkọta ọnụ ọgụgụ injinia dị n'ime 50, ọ gaghị abụ ihe na-erughị 2.

c.Ihe ndị dị mkpa maka ule ahụ ga-agbaso "Nkọwa nka na ụzụ maka Nleba anya nke Building Foundation Pile JGJ 106-2014".