About Us

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

120

million

cubic meters

Industrial chain production base

70

national patents

689sets

national patents

170

Equipment service country

Company Culture

core values of the company

Create Value

Share Value

Observe Order

Respect Value

Service philosophy

Religious, fine, tight, and harmonious

LIMING spirit

Standardization, value, serialization, and differentiation will always exceed our contract

Brand Concept

Create and promote civilization, refine and interpret brilliantly

Business philosophy

Religious, meticulous, rigorous, and harmonious work

Our Global Footprint

Case Scene

Use of Stone Dust in the Design of High Performance Concrete

Stone dust is classified as material ob- tained from stone crushing process, and due to its fines rarely used in concrete design because of high water ce- ment ratio requirement (Adis, 1991). Kiliswa (2012), studied the effect of quarry dust on the strengths and permeability of concrete (Class 20 and 25).

Stone Dust in Concrete: Effect on Compressive Strength

Abstract- Stone dust is a waste material obtained from crusher plants. It has potential to be used as partial replacement of natural river sand in concrete. Use of stone dust in concrete not only improve the quality of concrete but also conserve the natural river sand for future generations. In the present

What is Stone Dust and Why Would You Get It?

27/05/2019  You can also use stone dust between pavers as filler material to fill the gaps and create an even surface. Similarly, you can use rock dust to fill potholes in concreted areas around your home. A further use of stone dust is for agricultural purposes, says Eco Farming Daily. Farmers add stone dust to the soil as it increases soil fertility and changes the pH level of the soil. In areas that have

Utilization of Stone Dust as Fine Aggregate Replacement in ...

Stone dust is to be used as partial or full replacement of natural fine aggregate in concrete. The use of stone dust in concrete is beneficial in different manner such as environmental aspects, non-availability of good quality of fine aggregate, strength criteria etc.

Handyman Tools:Stone dust with cement?

27/06/2005  First, I'd try soaking the stone dust and tamping it well with a water-filled roller like they use for tamping lawns and flooring. It make several times doing this to get the dust to start to harden. Breathing the dust can be hazardous. I always made sure my mother got gravel with the stone dust still in the mix for her road repairs. Hardened ...

Can we make concrete using quarry dust as a replacement ...

It is not possible to make concrete out of quarry dust, since quarry dust is a waste product that is produced during M Sand / stone crushing process. To make concrete, it is necessary to make use of sand or M Sand (An alternative for river sand). Thank you

Where to Buy Stone Dust - And What It Is, How to Use It

07/08/2020  Stone dust is widely used as a setting bed for any of the various types of stone pavers (flagstone pavers such as bluestone being an example) used by homeowners in small projects. It can be smoothed to create a very flat surface and it is strong enough to support the weight of stone pavers , which can be quite significant.

Stone Dust or Sand for Paver Walkway? DoItYourself

05/08/2010  Both sand and stone dust act as an underlay for the pavers, and while both can be used, there are some reasons why people might prefer sand. Stone Dust. Stone dust is often used in areas where there is a lot of underground water, as it will absorb less water than sand. Stone dust is also cheaper than sand, and is more environmentally friendly, making it a suitable base for your paver

Making a stone dust path?? - Houzz

We made a stone dust path at our local Arboretum herb garden. We dug out the path to about 2 inches deep and put an edging along both sides. We used a black, thick plastic edging that has sort of notches along the length of it that accept a stake that gets pounded in with a hammer. We then filled the path and compacted it by tamping it with a hand tamper, if I recall correctly. The only ...

Handyman Tools:Stone dust with cement?

27/06/2005  First, I'd try soaking the stone dust and tamping it well with a water-filled roller like they use for tamping lawns and flooring. It make several times doing this to get the dust to start to harden. Breathing the dust can be hazardous. I always made sure my mother got gravel with the stone dust still in the mix for her road repairs. Hardened ...

An Experimental study on Crushed Stone Dust as Fine ...

01/01/2018  A critical literature review also suggest that Crushed stone dust (CSD) can be used as an alternative of cement concrete materials and most of earlier studies are based on strength parameters of cement concrete made-up with CSD as an alternative of fine aggregate. Thus, a detail investigation is to be needed for evaluation of CSD as alternative of natural sand or fine aggregate. This study is ...

The Many Uses of Stone Dust - ReAgg

29/01/2018  How Stone Dust Is Used. Crushed stone is mostly used as a base for stone pavers during various small, home projects; however; since it is sturdy enough to withstand the pressure of stone pavers, has incredible drainage properties, and can also be smoothed, it can also be used for various other projects, including bricks in walkways and patios, horse arenas, biking and hiking trails, and

Quarry Dust Uses in a Construction Project

06/06/2016  It is used as substitute to sand to make quarry dust concrete which is believed to be stronger and more durable than the regular concrete materials. Uses of Quarry Dust. It can be used as substitute to sand wholly or partly. It offers a comparatively good strength compared to sand with or without concrete admixtures. Construction Industry. This type of dust is getting popular in

Stone Dust or Sand for Paver Walkway? DoItYourself

05/08/2010  If you want to lay a paver walkway, you will have to decide whether to use stone dust or sand for this job.Either can be very useful, although some professionals will insist that one is better than the other. Both sand and stone dust act as an underlay for the pavers, and while both can be used, there are some reasons why people might prefer sand.

Different Types Of Aggregate And Their Uses

Type 1 Crushed Concrete - 50mm down to dust. Best used as a sub-base for roads, underneath blocks, as well as layering in between concrete or tarmac and as a hard core for projects such as car parks. 6F2; Type 3 Crushed Concrete - 0-63mm reduced fines; Oversized Clean Crushed Concrete - 75mm-100mm (no fines) Tarmac Plainings (Screened and Unscreened types) Gabion Fill Granite - 75mm-200mm ...

True or False: Concrete can be made by mixing powdered ...

Concrete is the most often used construction material of the modern world. It is simple and economic to make and if the Egyptians had known the secret they could have made it 4000 years ago. To make concrete, first you need to make the cement (or mortar) that holds the concrete together. The Romans did this by burning limestone (which is mostly calcium carbonate CaCO 3) to create something ...

The Raw Materials Of Concrete Hollow Block - BlockBrick ...

Introduction of Different Raw Materials. Concrete hollow block can be produced by concrete block making machine, the product is mainly used to fill the high-level framework of the building, because of its lightweight, sound insulation, good thermal insulation effect, the majority of users trust and favor.The raw materials are as bellows: Cement. powdery hydraulic inorganic cementitious material.

How to Make Fake Rocks with Concrete - wikiHow

06/05/2021  To make fake rocks with concrete, start by creating a wire form base with styrofoam or cardboard, then wrap the base in chicken wire. Next, use a flat pointed trowel to apply a layer of mortar to the wire frame, working from the bottom up. You can add realistic looking texture to the wet mortar using a trowel, sponge, or scouring pad, then let your rock cure for 30 days in a dry location!

How to Make Cement And Concrete From Scratch

Once the chemical reaction is complete you can use the product as mortar. To make concrete though which will greatly extend the volume produced you mix in gravel or sand or crushed brick. Proportions are an endless subject of debate but the formula of 1 part cement, 2 parts sand and 3 parts gravel by volume is a good starting point. Mix the dry ingredients first and then slowly add water. You ...

An Experimental study on Crushed Stone Dust as Fine ...

01/01/2018  A critical literature review also suggest that Crushed stone dust (CSD) can be used as an alternative of cement concrete materials and most of earlier studies are based on strength parameters of cement concrete made-up with CSD as an alternative of fine aggregate. Thus, a detail investigation is to be needed for evaluation of CSD as alternative of natural sand or fine aggregate. This study is ...

The Many Uses of Stone Dust - ReAgg

29/01/2018  How Stone Dust Is Used. Crushed stone is mostly used as a base for stone pavers during various small, home projects; however; since it is sturdy enough to withstand the pressure of stone pavers, has incredible drainage properties, and can also be smoothed, it can also be used for various other projects, including bricks in walkways and patios, horse arenas, biking and hiking trails, and

Use of Quarry Dust to Replace Sand in Concrete – An ...

Use of Quarry Dust to Replace Sand in Concrete ... clear picture that quarry dust can be utilized in concrete mixtures as a good substitute for natural river sand giving higher strength at 50% replacement. Index Terms- Concrete, quarry dust, river sand, compressive strength. I. INTRODUCTION oncrete is the most widely used composite material today. The constituents of concrete are coarse ...

Different Types Of Aggregate And Their Uses

Type 1 Crushed Concrete - 50mm down to dust. Best used as a sub-base for roads, underneath blocks, as well as layering in between concrete or tarmac and as a hard core for projects such as car parks. 6F2; Type 3 Crushed Concrete - 0-63mm reduced fines; Oversized Clean Crushed Concrete - 75mm-100mm (no fines) Tarmac Plainings (Screened and Unscreened types) Gabion Fill Granite - 75mm-200mm ...

True or False: Concrete can be made by mixing powdered ...

Concrete is the most often used construction material of the modern world. It is simple and economic to make and if the Egyptians had known the secret they could have made it 4000 years ago. To make concrete, first you need to make the cement (or mortar) that holds the concrete together. The Romans did this by burning limestone (which is mostly calcium carbonate CaCO 3) to create something ...

The Raw Materials Of Concrete Hollow Block - BlockBrick ...

Introduction of Different Raw Materials. Concrete hollow block can be produced by concrete block making machine, the product is mainly used to fill the high-level framework of the building, because of its lightweight, sound insulation, good thermal insulation effect, the majority of users trust and favor.The raw materials are as bellows: Cement. powdery hydraulic inorganic cementitious material.

How to Control Dust When Cutting Concrete eHow

You can obtain concrete cutting saws from equipment rental agencies. Many saws come equipped with a water application system. The rental agency provides training on the safe operation of the tool. Using a chalk line marking system is not effective when using water dust control methods, as the chalk will wash way during the cutting process. Instead, make the line with a wax crayon or a ...

How to Make Fake Rocks with Concrete - wikiHow

06/05/2021  To make fake rocks with concrete, start by creating a wire form base with styrofoam or cardboard, then wrap the base in chicken wire. Next, use a flat pointed trowel to apply a layer of mortar to the wire frame, working from the bottom up. You can add realistic looking texture to the wet mortar using a trowel, sponge, or scouring pad, then let your rock cure for 30 days in a dry location!

How to Make Cement And Concrete From Scratch

Once the chemical reaction is complete you can use the product as mortar. To make concrete though which will greatly extend the volume produced you mix in gravel or sand or crushed brick. Proportions are an endless subject of debate but the formula of 1 part cement, 2 parts sand and 3 parts gravel by volume is a good starting point. Mix the dry ingredients first and then slowly add water. You ...

What to use to harden up a gravel driveway - Home ...

15/04/2017  You could use a plate compactor and attempt to compact the gravel into the soil to provide a firm base. Take a look at this similar post for good suggestions. Here around Pittsburgh, Pa. we have a combination gravel called "modified". It has several sizes of lime or