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

Influence of stone processing dust on mechanical ...

30/10/2019  The incorporation of 30% stone processing dust was found to improve the mechanical and durability properties of concrete. The sustainability and economic studies carried out were also found to show the beneficial role of stone processing dust in reducing the embodied energy, embodied carbon and cost of concrete mixes.

DURABILITY STUDIES ON CONCRETE USING UP IGNEOUS STONE

DURABILITY STUDIES ON CONCRETE USING UP IGNEOUS STONE DUST Shanmuga Priya. S 1 Dr. S. Senthil Kumar2 P.G Student 1, Professor2,Department of Civil Engineering ,K.S.R College of Engineering, Tiruchengode [email protected], [email protected] Abstract-- The paper examines the possibility of using igneous stone dust as granite waste as partial replacement of

Durability Stone Dust Concrete

EFFECT ON STRENGTH AND DURABILITY PROPERTIES OF CONCRETE INCORPORATING GRANITE AND MARBLE RESIDUES AS FILLERS ... Reinforced concrete with crushed stone dust is cheaper by about 8 percent compared to conventional reinforced concrete. ... Effect on Strength and Durability Properties of Concrete Incorporating Granite and Marble Residues As ...

Use of Stone Dust in the Design of High Performance Concrete

1) Evaluate the suitability of stone dust (quarry waste) in production of High Performance Concrete (HPC). 2) To compare the cost of HPC (Class 80) production against costs of traditional Class25, 30, and 35 MPa. 2. The Literature Review High performance concrete (HPC) is defined as concrete whose strength and durability is greater than those of

Stone Dust in Concrete: Effect on Compressive Strength

found that the compressive and flexural strength of concrete made of Quarry Rock Dust are nearly 10% more than the conventional concrete (Suribabu et al., 2015). In the present study it is proposed to investigate the optimum replacement of river sand with stone dust for concrete in term of compressive strength performance at 7 days and 28 days. II. MATERIALS AND METHODS

Suitability of Stone Dust in Concrete - ijedr.org

workability of concrete at high percentage of stone dust is much lower than the previous due to rough surface texture and angular shape of stone dust. So for maintain workability the dose of super plasticizer was increased.

DURABILITY STUDIES ON CONCRETE USING UP IGNEOUS STONE DUST

DURABILITY STUDIES ON CONCRETE USING UP IGNEOUS STONE DUST Shanmuga Priya. S 1 Dr. S. Senthil Kumar2 P.G Student 1, Professor2,Department of Civil Engineering ,K.S.R College of Engineering, Tiruchengode [email protected], [email protected] Abstract-- The paper examines the possibility of using igneous stone dust as granite waste as partial replacement of

Suitability of Stone Dust in Concrete - ijedr.org

% of Stone Dust in Concrete % Dose of Super Plasticizer by Weight of Cement Moderate Slump Value (in mm) 0 0.6 65 10 0.7 70 20 0.8 60 30 0.9 54 40 1.1 60 50 1.3 52 60 1.45 55 70 1.6 58 80 1.7 51 B. Density: The density of fresh concrete is slightly greater than the density of harden concrete. The density of concrete with stone dust initially decreased in comparison to referral concrete this ...

Study On the Effect of Stone, Dust, Ceramic Dust and Brick ...

on the Strength, Physical and Durability Properties of Bituminous Concrete ... Marshall Stability Test was conducted on bituminous concrete mix (GR-II) with Stone Dust (2%), Ceramic dust (2%), Brick dust (2%) as fillers and neat (VG-30) bitumen to determine optimum bitumen content (OBC), Marshall Stability Value, Flow Value, Bulk density, Total Air voids, Voids in Mineral Aggregates and Voids ...

Use of Stone Dust in the Design of High Performance Concrete

1) Evaluate the suitability of stone dust (quarry waste) in production of High Performance Concrete (HPC). 2) To compare the cost of HPC (Class 80) production against costs of traditional Class25, 30, and 35 MPa. 2. The Literature Review High performance concrete (HPC) is defined as concrete whose strength and durability is greater than those of

What is Stone Dust: The Ultimate Guide ...

20/01/2021  Stone dust has great durability and load-bearing capabilities. You can use it also as the packing material like backfilling trenches, concrete slab base, garden edging base, and the driveway too. Stone dust has the ability to avoid weed growth. Therefore, it becomes a great product for the driveway. You will not see any growth of vegetation in between your paving stones. The area would always ...

A review on Properties of Sustainable Concrete using ...

Granite dust is a waste produced during cutting and grinding process of granite stone. The waste generation from granite stone industry is in the form of non-biodegradable fine powder, the utilisation of this waste in concrete will help in sustainable and greener development.

Strength and Durability Properties of Granite Powder Concrete

performance of concrete in strength as well as in durability aspect. Keywords Granite powder, trength, ... Indian granite stone industry currently produces around 17.8 million tons of solid granite waste, out of which 12.2 million tons as rejects at the industrial sites, 5.2 million tons in the form of / cuttings * Corresponding author: [email protected] (A. Arivumangai) Published online ...

(PDF) The Utilization Of Crushed Stone Dust As A ...

The equivalent mixes were obtained by Durability of processed concrete. replacing natural sand by stone dust partially or Economic feasibility. fully. Test results indicate that crushed stone dust waste can be used effectively to replace natural There has been inadequate utilization of sand in concrete. Concrete made this replacement large quantities of crushed stone as a alternative attain ...

INVESTIGATION ON STONE DUST AND VITRIFIED SCRAP AS ...

of stone dust and vitrified scrap in concrete making. In laboratory stone dust has been tried as fine aggregate in place of sand and vitrified scrap as partial substitute to conventional coarse aggregate in concrete making cubes were cast and tested for compressive strength and spit tensile test after curing period of 7 and 28 days .The result indicated effectiveness of stone dust as fine ...

What is Stone Dust and Why Would You Get It?

Stone dust is also known as rock dust or quarry dust, and some products just have the brand name. The stone dust is collected using a screen that keeps the larger pieces of crushed stone above the screen while allowing the rock dust to fall through. This process is the reason why stone dust is often called quarry screenings. Crushed stones are graded by number according to the size of the ...

Durability Properties of Concrete Influenced By Microfines

Durability Properties of Concrete Influenced By Microfines Narasimha Prasad K N1, Bharat Jangid2, Radhakrishna3, Venkatesh S V4 ... This material known as quarry dust, stone dust or simply dust has no takers and is mostly used for land filling. The material being inert is considered unsuitable for partial replacement of cement as it would increase the insoluble residue in the cement. However ...

What is Stone Dust: The Ultimate Guide ...

20/01/2021  Stone dust has great durability and load-bearing capabilities. You can use it also as the packing material like backfilling trenches, concrete slab base, garden edging base, and the driveway too. Stone dust has the ability to avoid weed growth. Therefore, it becomes a great product for the driveway. You will not see any growth of vegetation in between your paving stones. The area would always ...

Use of Stone Dust in the Design of High Performance Concrete

1) Evaluate the suitability of stone dust (quarry waste) in production of High Performance Concrete (HPC). 2) To compare the cost of HPC (Class 80) production against costs of traditional Class25, 30, and 35 MPa. 2. The Literature Review High performance concrete (HPC) is defined as concrete whose strength and durability is greater than those of

Partial Use of Stone Dust in Concrete as an Alternative of ...

Use of stone dust in concrete not only improves the quality of concrete but also conserve the natural river sand for future generations. These resources of engineering materials (sand, stone) are limited and day by day the dependency on them must be minimized. So some other materials should be introduced by replacing sand and stone. Stone dust is one of such alternative of sand that can ...

Stone Dust Concrete Structural Engineering

Permeabillity of green concrete is less than conventional concrete. Durability of green concrete under sulphate is higher than the conventinal concrete. Water absorption of green concrete is higer. Stone Dust. 3/8 Stone. 5/8 Stone. 3/4 DGA. 3/4 Stone. 1 1/2 DGA. 1 1/2 Stone. 2 1/2 Stone THANK YOU

Influence of stone dust as fine aggregate replacement on ...

29/12/2017  The use of stone dust in concrete provides environmental benefits by reducing the impacts produced by the extraction of natural sand. The use of this material can also offer economic advantages, since the product is less costly than natural sand. In this way, the present work evaluated the compressive strength of concretes made with stone dust in different replacement levels (30% and

INVESTIGATION ON STONE DUST AND VITRIFIED SCRAP AS ...

of stone dust and vitrified scrap in concrete making. In laboratory stone dust has been tried as fine aggregate in place of sand and vitrified scrap as partial substitute to conventional coarse aggregate in concrete making cubes were cast and tested for compressive strength and spit tensile test after curing period of 7 and 28 days .The result indicated effectiveness of stone dust as fine ...

What is Stone Dust and Why Would You Get It?

Stone dust is also known as rock dust or quarry dust, and some products just have the brand name. The stone dust is collected using a screen that keeps the larger pieces of crushed stone above the screen while allowing the rock dust to fall through. This process is the reason why stone dust is often called quarry screenings. Crushed stones are graded by number according to the size of the ...

Stone Dust Doesn't Belong Under Pavers. Here’s Why ...

Stone dust, sometimes called rock dust, is a byproduct of crusher run that’s provided the bedding layer for many a paver project over the years. While it can work in some construction applications, there’s a growing recognition that sand – washed concrete sand in particular – has proven far more stable and exhibits properties that make it superior to stone dust for bedding in a number ...

Can you use stone dust for a driveway? -

09/01/2020  Category: home and garden landscaping. 4.8/5 (1,541 Views . 9 Votes) Most commonly, stone dust is used for paving projects such as driveways, patios, and pathways. Many landscapers prefer to use sand with concrete as the base material and to use stone dust only for between the paving stones. Click to see full answer.

Durability of concrete with pitchstone fines as a partial ...

At present, this stone-dust is a mining waste and has no economic value. Recent researches have proved that PF has pozzolanic properties and can be used in concrete as a cement replacement. This paper investigates the durability of concrete with PF using rapid chloride penetration test (RCPT). RCPT determines the electrical conductance of concrete which indicates its resistance to penetration ...

Durability Properties of Concrete Influenced By Microfines

Durability Properties of Concrete Influenced By Microfines Narasimha Prasad K N1, Bharat Jangid2, Radhakrishna3, Venkatesh S V4 ... This material known as quarry dust, stone dust or simply dust has no takers and is mostly used for land filling. The material being inert is considered unsuitable for partial replacement of cement as it would increase the insoluble residue in the cement. However ...

Strength and Durability Properties of Granite Powder

The Durability of Quarry Rock Dust concrete under sulphate and acid action is higher inferior to the Conventional Concrete. Permeability Test results clearly demonstrates that the permeability of Quarry Rock Dust concrete is less compared to that of conventional concrete. The water absorption of Quarry Rock Dust concrete is slightly higher than Conventional Concrete Therefore; the results of ...

Partial Use of Stone Dust in Concrete as an Alternative of ...

Use of stone dust in concrete not only improves the quality of concrete but also conserve the natural river sand for future generations. These resources of engineering materials (sand, stone) are limited and day by day the dependency on them must be minimized. So some other materials should be introduced by replacing sand and stone. Stone dust is one of such alternative of sand that can ...

Stone Dust Concrete Structural Engineering

Permeabillity of green concrete is less than conventional concrete. Durability of green concrete under sulphate is higher than the conventinal concrete. Water absorption of green concrete is higer. Stone Dust. 3/8 Stone. 5/8 Stone. 3/4 DGA. 3/4 Stone. 1 1/2 DGA. 1 1/2 Stone. 2 1/2 Stone THANK YOU

Strength Properties of Concrete with Partial Replacement ...

stone dust as cement replacement on the mechanical properties as well as durability characteristics in high strength concrete. 30% of the OPC was replaced by fine stone dust having 95% purity of silica. The result of the study indicated that high strength concrete can be produced using fine stone dust with improved strength and durability.

conventional concrete by replacing stone dust

M.S. Jaafar et al made study on „Strength and durability characteristics of high strength autoclaved stone dust concrete.‟ [8] The study focused on the effect of using fine stone dust as cement replacement CHAPTER 2 LITERATURE REVIEW - Shodhganga. more than the conventional concrete. Shukla et al (2000) confirmed that the replacement of sand by stone dust reduces the

Influence of stone dust as fine aggregate replacement on ...

this case the stone dust was added to concrete without any processing or adjustment. So, concrete samples were made by replacing varying percentages of natural sand by stone dust in 30% and 100% by weight. All the concrete mixtures were performed using IPT/EPUSP’s method.13 The workability was fixed at 80±10 mm based in the slump

Stone Dust Doesn't Belong Under Pavers. Here’s Why ...

Stone dust, sometimes called rock dust, is a byproduct of crusher run that’s provided the bedding layer for many a paver project over the years. While it can work in some construction applications, there’s a growing recognition that sand – washed concrete sand in particular – has proven far more stable and exhibits properties that make it superior to stone dust for bedding in a number ...

Can you use stone dust for a driveway? -

09/01/2020  Category: home and garden landscaping. 4.8/5 (1,541 Views . 9 Votes) Most commonly, stone dust is used for paving projects such as driveways, patios, and pathways. Many landscapers prefer to use sand with concrete as the base material and to use stone dust only for between the paving stones. Click to see full answer.