Plus Icons

Physical properties of the dolomite, crushed concrete and crushed …

Using dolomite as a concrete coarse aggregate with self-curing concrete is more efficient than using recycled aggregates such as crushed concrete or crushed bricks with self-curing concrete [28]. ...

به خواندن ادامه دهید
Plus Icons

(PDF) Numerical FE Modeling and Design Methods of CCES …

Analytical studies on the CCES columns' behavior using crushed dolomite coarse aggregate (CDCA) with different shear connectors (SCs) types/shapes and sizes under axial loads are described here.

به خواندن ادامه دهید
Plus Icons

Crushed Concrete & Concrete Aggregate 101

Using crushed concrete is a much more environmentally-friendly way to complete your project. It not only saves landfill space, conserves resources, and reduces waste; it also reduces carbon emissions produced in the …

به خواندن ادامه دهید
Plus Icons

Strength and durability assessment of concrete containing dolomite

The utilization of dolomite quarry waste material as binder and aggregate has been studied in various studies [10,11,12].The various studies available on the fresh properties showed that the effective use of dolomite quarry wastes as cement or sand influenced the workability of concrete [].Saranya et al. [] found that geopolymer …

به خواندن ادامه دهید
Plus Icons

Sulfate resistance of Portland dolomite cement: …

This study investigated the sulfate resistance of Portland-dolomite cement (PDC) cured at different temperatures. Mortars of Portland cement (PC) and PDC with different dosages of dolomite, 10, 20, 30% by weight, were cured in water at 20 °C and 60 °C for 28 days before immersed in 50 g/L Na2SO4 solution at 20 °C. In addition …

به خواندن ادامه دهید
Plus Icons

Potential of dolomite industrial waste as construction material…

The dolomite crushed sand concrete compressive strength was found 38.1, 39.0, 41.3, 43.3, and 44.9 (MPa), respectively, at 0%, 5%, 10%, 15%, and 20% crushed dolomite as a partial substitute of natural sand. They reported that the main reason behind the increase in strength was the filler ability of crushed dolomite sand in concrete.

به خواندن ادامه دهید
Plus Icons

Physical, mechanical properties and microstructure of …

This paper discusses an experimental work on concrete made from river and crushed sands such as quartzite, granite, gneiss, marble, dolomite, basalt and limestone with an emphasis on physical, mechanical, and microstructural properties of fresh and hardened concrete.This paper is completed by the formulation of three types of …

به خواندن ادامه دهید
Plus Icons

High-Performance Concrete Using Dolomite By …

High-Performance Concrete Using Dolomite By-products G. Sahmenko, A. Korjakins and D. Bajare Institute of Materials and Structures, Riga Technical University, Riga, Latvia ... (crushed aggregate fraction). Almost half part of the material (47 %) is sand fractions (0.1 - 4 mm), 35 % is the content of crushed stone (>4 mm) and 18 % is the content ...

به خواندن ادامه دهید
Plus Icons

Concrete Modification for Hot Weather Using Crushed …

The dolomite filler decreases the water demand, shortens the setting time, and mitigates the development of drying shrinkage in the blended binder. To prevent concrete …

به خواندن ادامه دهید
Plus Icons

The effects of limestone aggregate on concrete properties

The total of aggregates produced in 2008 by weight was 69% limestone and dolomite, 15% granite, 7% traprock and 9% miscellaneous stones consisted of sandstone and quartzite, marble, volcanic cinder and scoria, slate, shell, and calcareous marl as shown in Fig. 1.By 2020, US production of crushed limestone is expected to increase …

به خواندن ادامه دهید
Plus Icons

Study of concrete mix by adding Dolomite in conventional concrete …

In this paper by using waste dolomite in concrete as partial replacement in various percentages with coarse aggregate. For making M25 grade using IS: 10262–2019. ... An Experimental Investigation on Properties of Concrete by Partial Replacement of Cement with Dolomite and Fine Aggregate with Crushed Sea Shell Powder. J. Emerg. …

به خواندن ادامه دهید
Plus Icons

Numerical FE Modeling and Design Methods of CCES …

ered in concrete from all sides. Due to the ability of the composite sections to bear heavy loads while using smaller sections, CCES columns have been widely used. Analytical studies on the CCES columns' behavior using crushed dolomite coarse aggregate (CDCA) with dierent shear connectors (SCs) types/shapes and sizes under axial loads

به خواندن ادامه دهید
Plus Icons

Experimental study on concrete strength properties by …

When the split tensile strength is 4.24 N/mm 2, the appropriate cement replacement percentages using dolomite powder and manufactured sand are 10% and 10%, respectively. ... Effects of Crushed and Natural Sand on The Properties of Fresh and Hardened Concrete, 33rd Conference on Our World in Concrete & Structures, …

به خواندن ادامه دهید
Plus Icons

Aggregate | The Dolomite Group

Dolomite is the leading supplier of crushed stone, sand and gravel, and recycle materials in the Greater Rochester Area and Southern Tier. Our products are used in a wide variety of construction applications as well as in the asphalt and concrete industries. Dolomite's aggregate facilities and reserves are located throughout Rochester and the Southern …

به خواندن ادامه دهید
Plus Icons

How to Use Glass Aggregate in Concrete

Can Crushed Glass Be Used in Concrete? It is important for contractors to use clean glass in concrete to prevent issues related to an alkali-silica reaction between the cement and glass aggregates. Many of today's glass aggregates come from post-industrial sources, which are crushed and cleaned for use in indoor applications such …

به خواندن ادامه دهید
Plus Icons

Physico-mechanical properties of high performance concrete using

Such concrete, using ilmenite and hematite coarse aggregates can significantly have higher specific gravities than those of concrete made with dolomite and air-cooled slag aggregates. Four different concrete mixes with the same cement content and different w/c ratios were designed using normal dolomite aggregate, air-cooled …

به خواندن ادامه دهید
Plus Icons

(PDF) An Experimental Investigation On Properties Of Concrete …

In the case of the dolomite concrete, silica fume was added on the aggregate side, and also on the cement side.Fracture toughness tests were carried out according to Mode I (tension at bending ...

به خواندن ادامه دهید
Plus Icons

(PDF) Effect of Dolomite Powder and Copper Slag on …

Dhamne et al. (2019) Conduct research on the mechanical properties of dolomite in concrete mix the obtained results show that the addition of dolomite increases split tensile strength by 10%, which was partially substituted by the wt. of cement, and that any further addition of dolomite resulted in the split tensile decreasing.

به خواندن ادامه دهید
Plus Icons

Concrete Modification for Hot Weather Using Crushed …

Crushed dolomite stone can be used as a part of concrete for hot weather. Fine dolomite as a filler is not commonly included in Portland cement.

به خواندن ادامه دهید
Plus Icons

Concrete Modification for Hot Weather Using Crushed …

Use the gear icon on the search box to create complex queries

به خواندن ادامه دهید
Plus Icons

High-strength concrete with different fine aggregate

Two concrete mixtures were prepared to study the influence of crushed sand compared with natural sand. These mixtures were designed with a w/c of 0.30, a very large cement content (530 kg/m 3) and similar slump.The effects of shape and texture of fine aggregate were evaluated by comparing the fresh and hardened properties of …

به خواندن ادامه دهید
Plus Icons

Concrete Modification for Hot Weather Using Crushed …

Journal article written by Svetlana V. Samchenko, Oksana A. Larsen, Irina V. Kozlova, Dmitriy G. Alpackiy and Dheyaa A. N. Alobaidi and published in the journal …

به خواندن ادامه دهید
Plus Icons

Numerical FE Modeling and Design Methods of CCES …

The composite concrete-encased steel (CCES) column member is made by the steel section embedded and covered in concrete from all sides. Due to the ability of the composite sections to bear heavy loads while using smaller sections, CCES columns have been widely used. Analytical studies on the CCES columns' behavior using crushed …

به خواندن ادامه دهید
Plus Icons

Is Crushed Concrete A Good Paver Base?

Additionally, using crushed concrete takes away the need to mine materials, crushing them, and transporting them to the site. Moreover, crushed concrete provides similar performance as crushed …

به خواندن ادامه دهید
Plus Icons

How Much Is Crushed Concrete? A Complete Guide to Pricing

1. Crushed concrete, a recycled material made from demolished structures, is favored for its lower cost and sustainability benefits compared to traditional gravel or stone. 2. The price of crushed concrete can fluctuate based on several aspects, including geographical location, the volume required, and the specific vendor you choose to purchase ...

به خواندن ادامه دهید
Plus Icons

Concrete Modification for Hot Weather Using Crushed Dolomite …

Crushed dolomite stone can be used as a part of concrete for hot weather. Fine dolomite as a filler is not commonly included in Portland cement. In this paper, the properties of a blended binder based on Portland cement and dolomite filler are presented. Dolomite filler was obtained from dust grains by mechanical activation in a laboratory …

به خواندن ادامه دهید
Plus Icons

Compressive Strength of Concrete by Partial Replacement of Cement …

In this study, 0%, 5%, 10%, 15% and 20% of waste rubber powder and 10% of sand was used to made crumb rubber cement mortar specimens in order to investigate the physical and chemical properties of ...

به خواندن ادامه دهید
Plus Icons

Development of High Performance Asphalt Concrete …

where local crushed dolomite and sandstone does not fulfill the requirements for mineral aggregate in high and medium intensity asphalt pavements roads. ... to utilize the dolomite sand waste in the concrete production (Korjakins et al. 2008). However, the research on the perspective use of dolomite waste sand in production of asphalt ...

به خواندن ادامه دهید
Plus Icons

(PDF) An Experimental Investigation On Properties Of Concrete …

In this study a small trial is done to modify the properties of concrete by partial replacement of cement with dolomite powder varying from 0% to 10% with interval of 2.5% and fine aggregate with ...

به خواندن ادامه دهید
Plus Icons

High-Performance Concrete Using Dolomite By …

High-Performance Concrete Using Dolomite By-Products G. Sahmenko(&), A. Korjakins, and D. Bajare Institute of Materials and Structures, Riga Technical University, Riga, Latvia ... and 30% is the content of crushed stone (>4 mm) Samples taken from different places demonstrate quite good stability, grading deviations do not exceed 5%. ...

به خواندن ادامه دهید

آیا هیچ سوالی دارید ؟

چه بخواهید با ما کار کنید و چه علاقه مند به کسب اطلاعات بیشتر در مورد محصولات ما هستید، مایلیم از شما بشنویم.