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Ультра высокопроизводительное волокно усилено
Ультра высокопроизводительное волокно усилено
Ультра высокопроизводительное волокно усилено

Ультра высокопроизводительное волокно усилено

Получите последнюю цену
Вид оплаты:L/C,T/T
Инкотермс:FOB,CFR,CIF
Количество минимального заказа:1 Set/Sets
транспорт:Ocean,Land
Порт:Dalian,Qindao
Атрибуты продукта

маркаЛИЙИАН

MaterialSteel

MOQ1 Set

CertificationOther

TypeTunnel Formwork

Surface TreatmentPainted Or As Customer Requirement

ApplicationTunnel Engineering

ToleranceGb Or As Customer Requirements

DesignProvided By Li Jian

Упаковка и доставка
Продажа единиц жилья : Set/Sets
Тип упаковки : По запросу клиентов
Описание продукта

High strength ultra toughness low shrinkage concrete

A-ecc is an ultra-high continuity cement-based composite with high strength, high ductility, high toughness and high durability through material design and adjustment, and can show strain hardening and multi-point cracking in tension



Typical application of traditional ECC —Meiyuan bridge, Japan


Ultra high performance fiber reinforced


Pavement structure type

The ECC layer is pva-ecc;
PVA fiber volume content 2.0%;

Waterproof and crack resistant: the pavement layer is ECC layer (40mm) + wearing course


main performance index
Compressive strength: above 30MPa
Direct tensile strength: above 2.0MPa
Ultimate tensile strain: 5.2%
Shrinkage: ≥ 0.15%

outstanding problems
7

8
The compressive strength is low, causing crushing under local wheel pressure;
There is no coarse aggregate, and the drying shrinkage is large, reaching 1500me, which is much higher than that of ordinary concrete 400me, resulting in hidden danger of cracking;



A-ecc core technology
Special high performance admixture
Super dispersion, plastic protection, viscosity reduction and shrinkage reduction

Steel fiber + PVA fiber
Improve the tensile strength and the distribution of tensile cracks

Composite mineral additive
Shrinkage reduction, toughening and hydration heat reduction

Dense skeleton accumulation
Reasonable grading of coarse and fine aggregate; Product quality stability and uniformity control system

Ultra high performance fiber reinforced


Производительность продукта


Product model

A-ECC-30

A-ECC-50

A-ECC-60

A-ECC-70

compressive strength/MPa

30

50

60

70

tensile strength/MPa

3.0

4.0

4.5

4.8

Ultimate tensile strain/%

≥3.0

1.2

1.0

0.8

Flexural strength/MPa

9

12

14

16

Drying shrinkage/

≤600

≤400

Resistance to chloride ion penetration/C

3500

3000

2000

1000

Frost resistance

F200

F300

F300

F300

It can realize early strength and fast hardening, the setting time is adjustable from 30min to 6h, and the strength of 3H / 28d is ≥ 0.5


Product features

1011



High toughness

Effectively solve the problem of pavement cracking caused by inconsistent stress and deformation caused by different thickness of pavement concrete

Low shrinkage
Effectively solve the problem of pavement cracking caused by inconsistent shrinkage between beam and pavement
Good adhesion
Effectively solve the pavement quality problems caused by falling off of reinforcement, extrusion of reinforcement mesh and ponding
Homogeneous and isotropic
Effectively solve the phenomenon of "bottom sinking" of reinforcement mesh

12





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