UHPC Shading Elements Create

Name: UHPC Shading Elements Create
Brand: Anshan Lijian Engineering Group Co. LTD
Rating: 4.3 (27 reviews)

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Model No. :
Brand Name :	Lijian
Material :	Steel
MOQ :	1 Set
Certification :	Other
Type :	Tunnel Formwork
Surface Treatment :	Painted Or As Customer Requirement
Application :	Tunnel Engineering
Tolerance :	Gb Or As Customer Requirements
Design :	Provided By Li Jian

4yrs

Anshan, Liaoning, China

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Product description

UHPC shading elements create

Ultra-high-performance concrete- UHPC is an advanced cementitious material with high strength and excellent durability. It offers the potential to become a practical solution to improve the sustainability of buildings and other infrastructure components. For the past two decades, UHPC is gaining increased interest in many countries with the usage ranging from building components, bridges, architectural features, repair and rehabilitation, vertical components such as windmills towers and utilities towers to oil and gas industry applications, off-shore structures, hydraulic structures and overlay materials.

Ae-uhpc, coarse aggregate UHPC product, expansion ≥ 600mm, 1-day compressive strength ≥ 90Mpa, 7-day compressive strength ≥ 150MPa, breaking the technical monopoly of SBT.

Technical indexes of UHPC products containing coarse aggregate

Product model	AE-UHPC-120	AE-UHPC-150	AE-UHPC-200
Standard value of compressive strength/MPa	≥120	≥150	≥200
1-day compressive strength/MPa	≥80	≥90	≥90
Standard value of flexural tensile strength/MPa	≥20	≥22	≥26
Modulus of elasticity/GPa	≥48	≥54	≥56
shrink/	≤250		--
Impermeability	＞P12
Frost resistance	＞F400

Beijing Lijian ae-uhpc core technology

Viscosity reduction technology
Self developed chemical viscosity reducer，Viscosity reduced by 25%
Composite mineral viscosity reducer,Viscosity reduced by 20%
Fully graded aggregate shaping and friction reduction technology to further reduce the viscosity of the mixture

Early strength technology without steaming

Self developed slump early strength agent with small slump loss,25% increase in strength in one day
Optimize the core components and ensure no shrinkage of strength at long age

Shrinkage reduction and crack resistance technology

Control of shrinkage in the whole process of concrete plasticity and hardening
Multi scale composite fiber is reinforced and toughened to effectively control cracks

High modulus Technology
Self developed high-performance admixture, which maintains good fluidity and no segregation when a large amount of coarse aggregate is added
Optimize the variety, particle size and content of high-strength aggregate to form a series of high modulus products

AD-UHPC，Decorative UHPC products. It has the distinct characteristics of shape and size can be designed, various colors and no color difference. At the same time, the integrated design of decoration and structure is integrated to fully show the needs of modern architectural appearance design and fully meet the safety needs of building structure.

Technical indexes of UHPC products for decoration

Product model	AD-UHPC-100	AD-UHPC-120	AD-UHPC-140
Standard value of compressive strength/MPa	≥100	≥120	≥140
Heat transfer coefficient of composite wall/ W/( m2·K)	＜0.4	＜0.4	＜0.35
Interfacial bond strength/MPa	≥6	≥7	≥7.5
Standard value of flexural tensile strength/MPa	≥23	≥25	≥28
Modulus of elasticity/GPa	≥38	≥40	≥42
shrink/	≤800		--
Impermeability	＞P12
Frost resistance	＞F400

Beijing Lijian decoration UHPC product features

Ultra high mechanical properties
It has ultra-high compressive strength (compressive strength ≥ 120MPa after curing at room temperature for 28 days), tensile strength and high toughness
Color difference control technology
The core filler can improve the whiteness of the matrix, compound natural pigment and long-term interface protective agent, and ensure the uniform color of the finish for a long time
Key anti crack technology
Optimize the raw material system, improve the matrix strength, optimize the hybrid fiber, and further realize the strengthening and toughening effect

Project Overview: Both bridges are steel UHPC light composite structures, with a total area of 12700 ㎡ of UHPC deck pavement. The main bridge of Tuhai River Bridge on Heilongjiang Road adopts steel structure half through truss arch bridge, with a total length of 252m and a width of 46m. Xinghua Road Tuhai River Bridge is 2 × 100m double cable plane steel arch tower single tower cable-stayed bridge, with a total length of 200m and a width of 40m.
Technical proposal:Control technology of shrinkage cracking in winter construction、Composite viscosity reduction technology (viscosity reduced by 40%)、Ground material application technology.

Technical indicators of Beijing Lijian UHPC products

Product model	A-UHPC -120	A-UHPC -140	A-UHPC -160	A-UHPC -200	AE-UHPC -120	AE-UHPC -150	AE-UHPC -200
compressive strength/MPa	≥120	≥140	≥160	≥200	≥120	≥150	≥200
1-day compressive strength/MPa	≥80	≥90	≥100	≥100	≥80	≥95	≥95
Flexural tensile strength/MPa	≥22	≥25	≥28	≥32	≥20	≥22	≥26
Modulus of elasticity/GPa	≥38	≥42	≥44	≥45	≥48	≥54	≥56
shrink/	≤600			--	≤250		--
Impermeability	>P12
Frost resistance	>F400