Obere polypropylene staple na-abụghị nke geotextiles

ngwaahịa

Obere polypropylene staple na-abụghị nke geotextiles

nkowa nkenke:

Ọ na-eji eriri polypropylene siri ike dị elu dị ka ihe bụ isi akụrụngwa, a na-esikwa ya site na ntinye obe na ngwa ọkpọ ọkpọ.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa ngwaahịa

Nkọwapụta ngwaahịa:
Arọ gram bụ 100g/㎡~500g/㎡;obosara bụ 1 ~ 6 mita, na ogologo bụ dị ka ndị ahịa mkpa.
Njirimara ngwaahịa:
Ngwongwo anụ ahụ na n'ibu bụ 2 ruo 3 ugboro dị elu karịa nke ngwaahịa ndị a na-emekarị na ike ndọda dị iche iche dị ala maka otu ibu ahụ;
Ezigbo acid na alkali na-eguzogide, ezigbo mgbaze na-ekpo ọkụ na-agbaze, na ike iyi ike.

Ihe ngosi ngwa

A na-ejikarị polypropylene ọkpọ ọkpọ na-abụghị kpara geotextiles maka oyi akwa na-amị amị n'etiti ụzọ CRTSII slab ballastless na n'elu oghere nke okporo ụzọ ụgbọ oloko raara onwe ya nye, yana oyi akwa dịpụrụ adịpụ n'etiti CRTSII slab ballastless track na efere esemokwu, ma nwekwara ike ịbụ. A na-eji ya eme ihe n'ụzọ awara awara, okporo ụzọ ụgbọ oloko, ọdụ ụgbọ mmiri, ọdụ ụgbọ elu, apịtị dị n'ụsọ oké osimiri, mgbake, nchekwa gburugburu ebe obibi na mpaghara injinịa ndị ọzọ.

Ngwa ngwaahịa

JTT 992.1-2015 "Geosynthetics na injinia okporo ụzọ - Geotextiles Nkebi 1: Short polypropylene staple of nonwoven geotextiles"

Mba. Ihe Nkeji Ihe ngosi
110 130 150 200 300 400 500 600 700 800 1000 1200
1 Ngbanwe dị mma kwa mpaghara otu,% % ±5 ±5 ±5 ±6
2 Ọkpụrụkpụ mm ≥1.0 ≥1.2 ≥l.5 ≥1.8 ≥2.4 ≥2.8 ≥3.2 ≥3.6 ≥4.0 ≥4.4 ≥5.2 ≥6.0
3 Na-agbaji ike kwụ ọtọ kN/m ≥7 ≥9 ≥10 ≥13 ≥20 ≥26 ≥32 ≥40 ≥48 ≥52 ≥60 ≥70
Kehoraizin
4 Na-agbaji elongation kwụ ọtọ % 40-80
Kehoraizin
5 CBR na-agbawa ike kN ≥1.5 ≥1.8 ≥2.0 ≥2.5 ≥3.8 ≥4.5 ≥5.8 ≥7.0 ≥8.5 ≥9.0 ≥11.5 ≥14
6 trapezoid ike na-adọka kwụ ọtọ N ≥160 ≥180 ≥220 ≥300 ≥400 ≥500 ≥600 ≥700 ≥85O ≥l 000 ≥1 200 ≥1 400
Kehoraizin
7 Ogo pore dị irè (nyocha akọrọ) O90  mm 0.08-0.2

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