Environmentally friendly construction method of low-odor catalyst ZR-40 in large bridge construction

Date：2025-03-07 Categories：Our Projects

Environmental construction method of low-odor catalyst ZR-40 in large bridge construction

Introduction

As the global environmental problems become increasingly serious, environmental protection construction has become increasingly important in the construction of large-scale infrastructure. As an important part of the transportation network, large bridges have attracted much attention during their construction. As a new environmentally friendly material, the low-odor catalyst ZR-40 has wide application prospects in the construction of large bridges. This article will introduce in detail the product parameters, environmental advantages of the low-odor catalyst ZR-40 and its specific construction methods in the construction of large bridges.

1. Product parameters of low-odor catalyst ZR-40

1.1 Basic parameters

parameter name	parameter value
Appearance	Colorless transparent liquid
Density (g/cm³)	1.05-1.10
Viscosity (mPa·s)	50-100
pH value	6.5-7.5
Flash point (℃)	>100
Volatile Organics (VOC) Content	<50g/L

1.2 Environmental performance

Environmental Performance	parameter value
Odor level	Low odor
Toxicity	Non-toxic
Biodegradability	Biodegradable
Environmental Impact	Low environmental impact

1.3 Application Performance

Application Performance	parameter value
Catalytic Efficiency	High
Response speed	Quick
Stability	High
Applicable temperature range	-20℃ to 80℃

2. Environmental protection advantages of low-odor catalyst ZR-40

2.1 Low odor characteristics

The low-odor catalyst ZR-40 has almost no irritating odor during production and use, which significantly improves the construction environment and reduces the harm to workers’ health.

2.2 Low VOC content

ZR-40 has extremely low volatile organic compounds (VOC) content, complies with strict environmental protection standards, and reduces pollution to the atmospheric environment.

2.3 Biodegradability

ZR-40 has good biodegradability and will not remain in the environment for a long time after use, reducing pollution to soil and water.

2.4 Non-toxic and harmless

ZR-40 is non-toxic and harmless, and will not pose a threat to the health of construction workers and surrounding residents. It meets the requirements of modern environmental protection construction.

III. Application of low-odor catalyst ZR-40 in large-scale bridge construction

3.1 Bridge foundation construction

3.1.1 Concrete Additives

In bridge foundation construction, ZR-40 can be used as a concrete additive to improve the strength and durability of concrete while reducing the release of harmful gases in concrete.

Addant ratio	Concrete strength increase	Reduced release of harmful gases
0.5%	10%	20%
1.0%	15%	30%
1.5%	20%	40%

3.1.2 Soil curing agent

ZR-40 can also be used as a soil curing agent for soil reinforcement of bridge foundations to improve soil bearing capacity and stability.

Current ratio	Soil bearing capacity improvement	Soil stability improvement
0.5%	15%	20%
1.0%	20%	30%
1.5%	25%	40%

3.2 Bridge main body construction

3.2.1 Anti-corrosion of steel structures

In the construction of the main body of the bridge, ZR-40 can be used for corrosion protection of steel structures, improve the corrosion resistance of steel structures, and extend the service life of the bridge.

Preservative ratio	Enhanced corrosion resistance of steel structures	Extend service life
0.5%	20%	10 years
1.0%	30%	15 years
1.5%	40%	20 years

3.2.2 Concrete surface treatment

ZR-40 can also be used for the treatment of concrete surfaces, improving the permeability and wear resistance of concrete surfaces, and reducing the maintenance cost of bridge surfaces.

Surface treatment agent ratio	Concrete seepage resistance improves	Concrete wear resistance improves
0.5%	15%	10%
1.0%	20%	15%
1.5%	25%	20%

3.3 Construction of bridge ancillary facilities

3.3.1 Waterproofing material

ZR-40 can be used in waterproof materials for bridge attachment facilities, improving the waterproof performance and durability of waterproof materials.

Proportion of waterproof material	Enhanced waterproof performance	Enhanced durability
0.5%	10%	15%
1.0%	15%	20%
1.5%	20%	25%

3.3.2 Coating Additives

ZR-40 can also be used as a coating additive in coatings for bridge attachment facilities to improve the adhesion and weather resistance of the coating.

Coating additive ratio	Adhesion enhancement	Elevated weather resistance
0.5%	10%	15%
1.0%	15%	20%
1.5%	20%	25%

IV. Construction method of low-odor catalyst ZR-40

4.1 Construction preparation

4.1.1 Material preparation

Before construction, ZR-40 catalyst and related construction materials must be prepared to ensure that the quality and quantity of materials meet the construction requirements.

Material Name	Quantity	Quality Requirements
ZR-40 Catalyst	On Demand	Colorless transparent liquid
Concrete	On Demand	Meet the design requirements
Steel Structure	On Demand	Meet the design requirements
Waterproof Material	On Demand	Meet the design requirements
Coating	On Demand	Meet the design requirements

4.1.2 Equipment preparation

Relevant equipment must be prepared before construction to ensure the normal operation and safe use of the equipment.

Device Name	Quantity	Function
Mixer	2 units	Mixed concrete
Spraying Machine	2 units	Spray coating
Cure Equipment	1 set	Solidified soil
Detection Instruments	1 set	Test the construction quality

4.2 Construction steps

4.2.1 Concrete additive construction

Ingredients: Add the ZR-40 catalyst to the concrete in proportion and stir evenly.
Pouring: Pour the mixed concrete into the bridge foundation to ensure even pouring.
Curring: After the pouring is completed, appropriate curing is carried out to ensure the strength and durability of the concrete.

4.2.2 Soil curing agent construction

Ingredients: Add the ZR-40 catalyst to the soil in proportion and stir evenly.
Compression: Compress the mixed soil to ensure the compactness of the soil.
Maintenance: After the compaction is completed, carry out appropriate maintenance to ensure the bearing capacity and stability of the soil.

4.2.3 Anti-corrosion construction of steel structures

Surface treatment: Clean the surface of the steel structure to ensure that the surface is free of oil stains and rust.
Spraying: Add the ZR-40 catalyst to the anticorrosion coating in proportion, stir evenly and then spray.
Currect: After the spraying is completed, perform appropriate curing treatment to ensure the adhesion and corrosion resistance of the anticorrosive coating.

4.2.4 Concrete surface treatment construction

Surface Cleaning: Clean the concrete surface to ensure that the surface is free of dust and oil.
Spraying: Add the ZR-40 catalyst to the surface treatment agent in proportion, stir evenly and then spray.
Curring: After the spraying is completed, perform appropriate curing treatment to ensure the adhesion and permeability of the surface treatment agent.

4.2.5 Waterproofing material construction

Ingredients: Add the ZR-40 catalyst to the waterproof material in proportion and stir evenly.
Print: Apply the stirred waterproof material to the surface of the bridge attachment to ensure even painting.
Curring: After the coating is completed, perform appropriate curing treatment to ensure the waterproof performance and durability of the waterproof material.

4.2.6 Coating additive construction

Ingredients: Add the ZR-40 catalyst to the coating in proportion and stir evenly.
Spray: Spray the stirred paint onto the surface of the bridge attachment to ensure even spraying.
Curring: After the spraying is completed, perform appropriate curing treatment to ensure the adhesion and weather resistance of the coating.

4.3 Construction quality control

4.3.1 Material Quality Control

During the construction process, the quality of the material needs to be strictly controlled to ensure that all the parameters of the material meet the design requirements.

Material Name	Quality Control Points
ZR-40 Catalyst	Colorless transparent liquid, free of impurities
Concrete	Strength and durability meet the requirements
Steel Structure	Surface clean, free of rust
Waterproof Material	Waterproof Performance CharacterMeet the requirements
Coating	Adhesion and weather resistance meet the requirements

4.3.2 Construction process control

During the construction process, the construction steps need to be strictly controlled to ensure the construction quality.

Construction steps	Quality Control Points
Ingredients	Accurate proportions and stir evenly
Calling	Even pouring, no bubbles
Compression	Even compaction, high density
Spraying	Even spraying, no leakage
Cure	Currency time and temperature meet the requirements

4.3.3 Post-construction testing

After the construction is completed, comprehensive quality inspection is required to ensure that the construction quality meets the design requirements.

Detection items	Detection Method	Detection Standards
Concrete Strength	Pressure Test	Meet the design requirements
Soil bearing capacity	Load capacity test	Meet the design requirements
Corrosion resistance of steel structures	Salt spray test	Meet the design requirements
Concrete seepage resistance	Anti-vitro test	Meet the design requirements
Waterproofing	Waterproof Test	Meet the design requirements
Coating Adhesion	Adhesion test	Meet the design requirements

V. Environmental benefits of low-odor catalyst ZR-40

5.1 Reduce harmful gas emissions

ZR-40’s low VOC contentThe quantity and low odor characteristics significantly reduce the emission of harmful gases during construction and improve

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