Haleh Rasekh
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View article: Effect of calcined clay reactivity on the risk of restrained shrinkage‐induced early‐age concrete cracking
Effect of calcined clay reactivity on the risk of restrained shrinkage‐induced early‐age concrete cracking Open
A combination of limestone and calcined clay has emerged as a promising supplementary cementitious material due to its abundant availability to replace traditional supplementary cementitious materials such as fly ash or ground‐granulated b…
View article: Investigating Australian Calcined Clays as Supplementary Cementitious Materials
Investigating Australian Calcined Clays as Supplementary Cementitious Materials Open
Limestone Calcined Clay Cement (LC3) has become a highlighted research topic over the past decade. Through various research, LC3 demonstrated the capability to supplement portions of cement, highlighting the possibility to decrease CO2 emi…
View article: Simulation of Surface Settlement Induced by Parallel Mechanised Tunnelling
Simulation of Surface Settlement Induced by Parallel Mechanised Tunnelling Open
Mechanised tunnelling is extensively utilised for twin tunnel construction, particularly in urban areas. A common challenge encountered during this construction method is the occurrence of surface settlement (SS) induced by tunnelling acti…
View article: Mechanical Properties of Polyamide Fiber-Reinforced Lime–Cement Concrete
Mechanical Properties of Polyamide Fiber-Reinforced Lime–Cement Concrete Open
Lime–cement concrete (LCC) is a type of lime-based concrete in which lime and cement are utilized as the main binding agents. This type of concrete has been extensively used to construct support layers for shallow footings and road backfil…
View article: Effects of Different Coatings, Primers, and Additives on Corrosion of Steel Rebars
Effects of Different Coatings, Primers, and Additives on Corrosion of Steel Rebars Open
In this research, methods of increasing the corrosion resistance of reinforced concrete were experimentally investigated. The study used silica fume and fly ash at optimized percentages of 10 and 25% by cement weight, polypropylene fibers …
View article: Effects of concrete/gypsum bedding layers and their inclination angles on the tensile failure mechanism: Experimental and numerical studies
Effects of concrete/gypsum bedding layers and their inclination angles on the tensile failure mechanism: Experimental and numerical studies Open
This paper investigates the influence of concrete/gypsum bedding layers and their orientation angles on the tensile failure mechanism in the three-point bending test based on experiments and numerical simulations. Rectangular samples conta…
View article: Properties of Lime-Cement Concrete Containing Various Amounts of Waste Tire Powder under Different Ground Moisture Conditions
Properties of Lime-Cement Concrete Containing Various Amounts of Waste Tire Powder under Different Ground Moisture Conditions Open
Lime-cement concrete (LCC) is a non-structural concrete in which lime and cement are used as the main binders. However, although LCC has many applications in reducing the settlement of foundations and providing a support layer for shallow …
View article: Fresh, Mechanical, and Durability Properties of Self-Compacting Mortar Incorporating Alumina Nanoparticles and Rice Husk Ash
Fresh, Mechanical, and Durability Properties of Self-Compacting Mortar Incorporating Alumina Nanoparticles and Rice Husk Ash Open
This paper presents a comprehensive evaluation on self-compacting (SC) mortars incorporating 0, 1, 3, and 5% alumina nanoparticles (NA) as well as 0% and 30% rice husk ash (RHA) used as Portland cement replacement. To evaluate the workabil…
View article: Effects of variations of voltage and pH value on the shear strength of soil and durability of different electrodes and piles during electrokinetic phenomenon
Effects of variations of voltage and pH value on the shear strength of soil and durability of different electrodes and piles during electrokinetic phenomenon Open
Electrokinetic (EK) treatment is an effective method in accelerating the consolidation and improving the geotechnical properties of fine-grained soils. This method stabilizes the soil and increases the bearing capacity of piles by improvin…
View article: Profile of Sheared Cable Bolts Strand Wires
Profile of Sheared Cable Bolts Strand Wires Open
For the past several decades cable bolt technology has been used for ground reinforcement in civil, mining and other construction projects. The strength properties of these cables, used as cable bolts, have been evaluated mainly by their u…
View article: Single shear testing of various cable bolts used in Australian mines
Single shear testing of various cable bolts used in Australian mines Open
Sixteen single shear tests were carried out on eight geometric cable variations provided for testing from Australian suppliers – Jennmar, Megabolt and Minova. Each test was subjected to varying pre-tension values of zero and 15 tonnes, exp…
View article: Double Shear Testing of Cable Bolts with No Concrete Face Contacts
Double Shear Testing of Cable Bolts with No Concrete Face Contacts Open
A new series of double shear tests were carried out using a newly modified double shear apparatus which prevented contacts between concrete block surfaces during shearing. 13 double shear tests were carried out using 21 mm diameter 19 (9 ×…
View article: A Follow up to Study the Behaviour of Cable Bolts in Shear: Experimental Study and Mathematical Modelling
A Follow up to Study the Behaviour of Cable Bolts in Shear: Experimental Study and Mathematical Modelling Open
A mathematical model which is able to determine the pure shear strength of cable bolt was introduced and calibrated for various conditions. The proposed equation is developed based on the Fourier series concept and a linear relationship be…
View article: Modelling Simulation of the Performance of Cable Bolts in Shear
Modelling Simulation of the Performance of Cable Bolts in Shear Open
The application of cable bolts as a secondary support system in coal mines has substantially increased over the last decades. This development emphasises a prerequisite for a better understanding of the mechanical behaviour of cable bolts …
View article: Strength Characteristics of Secura Hollow Groutable Cable Bolts
Strength Characteristics of Secura Hollow Groutable Cable Bolts Open
The strength properties of Secura Hollow Groutable Cable-bolts (HGC) were examined for tensile and shear failures. The 30 mm diameter, nine strand, cable bolt consisted of a mixture of five 7.5 mm plain and four 7.0 mm indented strands wra…
View article: Modelling of Rebar and Cable Bolt Behaviour in Tension/Shear
Modelling of Rebar and Cable Bolt Behaviour in Tension/Shear Open
Cable bolting and rock/rebar bolting are the two main reinforcement techniques used in underground coal mines to maintain the stability of openings. Due to the structural features of cable strands, cables and solid bolts behave differently…
View article: An Experimental Study on the Contact Surface Area of Cabled Bolted Strata
An Experimental Study on the Contact Surface Area of Cabled Bolted Strata Open
The application of cable bolts in underground mines is an increasing trend all over the world; therefore, it is necessary to determine the axial and shear stresses on cable bolts. One important factor is to determine the coefficient of fri…