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Anhui Beilian Heavy Industry Machinery Co., Ltd. is located in the famous iron and steel city of Ma'anshan City, Anhui Province, China. The rich steel resources provide a unique advantage for the development of our company. Our company is a professional manufacturer specializing in the production and sales of concrete mixers and various batching plant parts.

The company has rich experience and qualification in the production of blender blades, mixing arms, wear-resistant liner plate and shaft end sealing technology.Since 2002, we have been doing business with clients from over 50 countries around the world.

The products involve a series of internationally renowned brands such as SICOMA,BHS,LIEBHERR,SANY,WAM,, as well as the concrete mixer parts of all Chinese brands

We can provide the most cost-effective solutions and customization for customers with different needs. Whether you are a distributor, end customer or machine manufacturer, we can best meet your special needs


 We are full of passion. Every day we are actively looking for the best solution to serve our customers. Working with us will be your favorite

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Method of controlling the amount of concrete used


of moisture from the fresh concrete. The properties of concrete that may be affected by hot weather conditions include: Setting time As the concrete temperature increases, the setting time, and thus the time to place, compact and finish the concrete is reduced Figure 2. Workability and slumpHigher temperatures reduce the workability (or slump ...

Concrete Driveway Construction - Thickness, Rebar & More

Apr 07, 2020 · To help ensure a problem-free driveway, use the following list for information about proper construction. Placing concrete at the proper thickness. Thickness is the major factor (even more than the strength of the concrete) in determining a driveway's structural capacity. Place concrete at a minimum thickness of 4 inches. Increasing the ...

Prestressed Concrete it's (Application and Advantages)

Apr 18, 2019 · Prestressed concrete was 1st invented by Eugene Frevssinet in 1928 is a method for overcoming concrete is very weak to resisting tension forces. It is a form of RCC that builds in compressive stresses during construction to oppose those found when in use is termed as prestressed concrete.

Curing of Concrete

gain. This method is typically used for precast concrete products and is outside the scope of this data sheet. COMPRESSIVE STRENGTH AT 180 DAYS AS % OF CONTINUOUSLY MOIST SAMPLE Days cured (then in air) 40 60 80 0 Contin-uously moist 28 14 7 3 100 Contin-uously in air Figure 1: Effect of duration of water curing on strength of concrete.

Six Tips for Effective Weed Control

If you choose to use this method on seldom-dug areas, such as the root zones of shrubs and trees, opt for tough landscape fabric for the light-blocking bottom sheet. There is a catch, however: As soon as enough organic matter accumulates on the landscape fabric, weed seeds dropped by birds or carried in on the wind will start to grow.

Hazard Control : OSH Answers

Use wet methods rather than dry when drilling or grinding. "Wet method" means that water is sprayed over a dusty surface to keep dust levels down or material is mixed with water to prevent dust from being created. Use an appropriate vacuum or "wet method" instead of dry sweeping (e.g. with a broom) to control dust and reduce the inhalation hazard.

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Termites: How to Identify and Control Them

Lufenuron- an insect growth regulator used to control termites and fleas. Noviflumuron (PDF) (6 pp, 97.8 K) - disrupts termite growth and activity. Wood Treatment. Borates - commonly used as a spray on application during new home construction to protect wood. Top of page. Are Pesticides Used Against Termites Safe?

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Vehicle-Mounted Drilling Rigs for Rock and Concrete

controls that can be used to minimize the amount of airborne dust when using vehicle-mounted drilling rigs for rock and concrete as listed in Table 1 of the Respirable Crystalline Silica Standard for Construction, 29 CFR 1926.1153. Engineering Control Method: Dust collection systems with water sprays at the discharge point

How to Control Erosion (with Pictures)

Jan 18, 2020 · The predominant technique agriculturists use for erosion control is the no till method. This method, also known as conservation tillage, is farming practiced with a minimum amount of tilling. The tillage process, while enriching for the crop, also displaces the soil layers and makes it loose. Such a loose soil layer is more prone to erosion.

Control Heavy Runoff - Solving Drainage and Erosion Problems

The following approaches to redirect and capture runoff can be used to control heavy runoff causing prolonged wet areas or yard erosion. If you have heavy runoff from roof downspouts and neighboring properties, redirecting or capturing runoff can provide better control. These techniques will minimize the amount of water that accumulates or that ...

Concrete Calculator

This free concrete calculator estimates the amount of concrete necessary for a project, and can account for different shapes and amounts of concrete. Explore other calculators related to housing or building, as well as hundreds of other calculators addressing finance, math, fitness, health, and more.

Pervious Concrete (TechBrief)

and hydration stabilizers are commonly used to help control the rapid setting associated with many pervious concrete mixtures. Air-entrain-ing admixtures are required in freeze–thaw en-vironments although no current method exists to quantify the amount of entrained air in the fresh paste. Air entrainment can be determined on hardened samples ...


MANUAL FOR FREQUENCY OF . SAMPLING AND TESTING . AND . BASIS FOR USE OF MATERIALS . GENERAL . The Department Standard Specifications, Section 106.02, states that the minimum required number of samples and tests will be as set out in the Frequency Manual. This edition of the

Methods of Transportation of Concrete - Dumpers, Trucks, Belt

Concrete produced from a mixer is required to be transported to the forms for placement. This handling may produce segregation and loss of slump, if the distance is long. That is further defined in different ways like: Methods of Transporting Concrete . Methods of transporting and placing concrete which are used widely, are:

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Quality of Water for Making Concrete: A Review of Literature

6) ASTM 1602M-06[10]Standard test method for mixing water used in the production of hydraulic cement concrete. 7) EN 1008-2002(E)[11]Mixing water for concrete – Specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete.


Clay having a greater surface area than sand increases the amount of water required for the mix, and thus reduces the ultimate strength of the concrete or mortar. The following two test methods can be done on site to check presence of silt or clay in sand. METHOD – 1

Prestressed concrete

Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" during production, in a manner that strengthens it against tensile forces which will exist when in service.: 3–5 This compression is produced by the tensioning of high-strength "tendons" located within or adjacent to the concrete and is done to improve the performance of the concrete in service.

Admixtures for Concrete

Admixtures for Concrete Fig. 6-1. Liquid admixtures, from left to right: antiwashout admixture, shrinkage reducer, water reducer, foaming agent, corrosion inhibitor, and air-entraining admixture. (69795) Despite these considerations, it should be borne in mind that no admixture of any type or amount can be

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Q&A: OSHA Regulations On Concrete Silica Dust

Q&A: OSHA Regulations On Concrete Silica Dust On September 23, the U.S. Department of Labor will begin to enforce its reduction in the amount of silica that construction workers can be exposed to over an eight-hour day.

Chapter 3 - Fly Ash in Portland Cement Concrete

Fly ash use in concrete improves the workability of plastic concrete, and the strength and durability of hardened concrete. Fly ash use is also cost effective. When fly ash is added to concrete, the amount of portland cement may be reduced. Benefits to Fresh Concrete.

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How To Plan and Manage Curing for Mass Concrete Pours

Jul 29, 2014 · Home Concrete Concrete Equipment & Products How To Plan and Manage Curing for Mass Concrete Pours ... control . Methods to control the concrete temperature and temperature difference include ...

Frequently Asked Questions - American Concrete Institute

The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design ...

Concrete recycling

Larger pieces of crushed concrete can be used as riprap revetments, which are "a very effective and popular method of controlling streambank erosion." With proper quality control at the crushing facility, well graded and aesthetically pleasing materials can be provided as a substitute for landscaping stone or mulch.


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