Field Validation for the Constructability of Exposed Aggregate Concrete Overlay by Jaehoon Kim, Makara Rith, Seung Woo Lee, Young Kyu Kim

“…Its surface texture requires the removal of cement mortar to expose the aggregates. This technique results a durable surface texture and an effective surface drainage through the random shape of aggregates. …”
Get full text

Loading History Effect on Stress Relaxation of Rock Joints by Guanghui Tian, Weijian Liu, Haohao Ma, Qingzhao Zhang

“…In this study, a data analysis method for the relaxation test was proposed under step loading by conducting creep and stress relaxation tests of dentate discontinuity poured by cement mortar using biaxial creep machine under step loading and single-stage loading. …”
Get full text

Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load by Shuisheng Yu, Leilei Niu, Jin Chen

“…Under the same confining pressure, the guided waves did not diffract well into the cement mortar and concrete with increasing pull-out load, the confining pressure restricted the radial vibration of the guided waves, and the guided wave propagation law weakened. …”
Get full text

Flexural Behaviour of Chicken Mesh Ferrocement Laminates with Partial Replacement of Fine Aggregate by Steel Slag by Sridhar Jayaprakash, Jegatheeswaran Dhanapal, Vivek Deivasigamani, Elias G

“…The fundamental goal of the examination was to investigate the effects of partial substitution of fine aggregate by steel slag in cement mortar combining chicken mesh of different volume fractions as reinforcement in thin ferrocement laminates. …”
Get full text

Studi Perencanaan Gully Plug Penahan Sedimen di Agrotechnopark Sumber Brantas Kota Batu by Runi Asmaranto, Sulistyo Wati, Anggara Wiyono Wit Saputra

“…Dengan melihat hal itu, diperlukan solusi terbaru untuk mengurangi sedimen dengan mempertimbangkan aspek sustainable and recycle yaitu dengan perencanaan bangunan penahan sedimen gully plug dengan menggunakan bahan utama struktur dari ban yang diisi oleh mortar beton sebagai pemberat. Dari hasil perencanaan gully plug didapatkan hasil tinggi total sebesar 5,6 m, serta lebar dasar gully plug sebesar 6,5 m, dengan jumlah ban yang dibutuhkan sebanyak 690 ban. …”
Get full text

Límites, reglas, comunicación en familia monoparental Con hijos adolescentes by Mildred Puello Scarpati, Marta Silva Pertuz, Adriana Silva Silva

“…Por lo anterior, se pretende estudiar en las familias monoparentales que se encuentran en la etapa vital de la adolescencia, su dinámica, especialmente los límites, reglas y comunicación interaccional como aspectos que organizan la convivencia en pro del desarrollo de sus integrantes, en especial de los adolescentes que están en la tarea vital de forjar su identidad.…”
Get full text

Characteristics of Pavement Cement Concrete Incorporating Steel Slag Powder by Erbu Tian, Yamin Liu, Xianpeng Cheng, Wuhua Zeng

“…In this paper, SSP was used as an admixture to replace part of the cement in the cement paste, cement mortar, and PCC, to investigate the effect of SSP on the fluidity of SSP-cement slurry, the mechanical properties, and the durability of PCC. …”
Get full text

Fracture simulation of concrete beams to assess softening behavior by varying different fractions of aggregates by H. S. Vishwanatha, S. Muralidhara, B. K. Raghu Prasad

“…Additionally, we replicate the Interfacial Transition Zone (ITZ) between aggregate and mortar in the model. The load-deflection curves can be used to assess the softening behavior of concrete and suggest the realistic fraction of coarse aggregate in mix proportion to impart more ductility to beams.…”
Get full text

Measurement of Surface Damage through Boundary Detection: An Approach to Assess Durability of Cementitious Composites under Tannery Wastewater by Tanvir Manzur, Khaled Mahmood Ehsan, Sinha Lamia Sultana, Samira Mahmud

“…This paper highlights a technique of boundary detection developed through image processing performed using MATLAB. Cement mortar cubes were submerged in simulated tannery wastewater and the images of the surface of cubes were taken at several time intervals. …”
Get full text

Performance Evaluation of the Fiber-Reinforced Cement Composites Blended with Wheat Straw Ash by Abdul Qudoos, Zahid Ullah, Atta-ur-Rehman, Zafar Baloch

“…Polypropylene fibers were added at a dosage of 0%, 0.5%, 1%, and 2% by weight of cement. Mortar specimens were fabricated and investigated for the compressive, flexure, and indirect tensile strengths, ultrasonic pulse velocity, chloride migration resistance, and carbonation resistance. …”
Get full text

Study on Bond Defect Detection in Grouted Rock Bolt Systems under Pullout Loads by Shuisheng Yu, Leilei Niu, Jin Chen, Yawei Wang, Honghao Yang

“…As the pullout load increased, the impedance mismatch between the rock bolt and cement mortar (defect) increased, and the guided wave propagation in grouted rock bolt systems was irregular. …”
Get full text

Peridynamics analysis of crack propagation in concrete considering random aggregate distribution by Bin Geng, Ze Li, Yigong Zhao, Xiaoyan Zhang

“…For the first time, the Boundary Damage Ratio (BDR) is proposed to quantitatively describe the influence of cement mortar and aggregate on crack propagation, revealing the influence rules of random aggregate parameters on concrete damage provides a new method for studying concrete crack propagation. …”
Get full text

Assessing the reliability of laboratory test procedures for predicting concrete field performance against alkali-aggregate reaction (AAR) by Ana Bergmann, Leandro F.M. Sanchez

“…Among them, the most popular methods are the accelerated mortar bar test (AMBT) and the concrete prism test (CPT). …”
Get full text

Effects of Nano-CaCO3/Limestone Composite Particles on the Hydration Products and Pore Structure of Cementitious Materials by Huashan Yang, Yujun Che

“…The effects of NC/LS on the hydration products and pore structure of cementitious materials are proposed. 5% NC/LS was added into cement paste and mortar, and the mechanical properties of the specimens were measured at a certain age. …”
Get full text

Mesoscopic Finite Element Modeling of Concrete Considering Geometric Boundaries of Actual Aggregates by Hao Jin, Yuliang Zhou, Binglong Wang, Shunhua Zhou

“…Concrete is nonhomogeneous and comprises aggregate, mortar, and interfacial transition zones at the mesoscopic scale. …”
Get full text

Pozzolanic Effect on the Hydration Heat of Cements Incorporating Fly Ash, Obsidian, and Slag Additives by Ilker Ustabas, Sakir Erdogdu, Ihsan Omur, Erol Yilmaz

“…The change in the hydration heat of obsidian-, fly ash-, and slag-based cements was observed by several Turkish standards (TS EN 196-8 and TS EN 196-9). Mortars were used for determining the uniaxial strengths of obsidian-, fly ash-, and slag-based cements. …”
Get full text

Hematopoietic Stem Cell Transplantation: A Bioethical Lens by Arcangelo Liso, Margherita Neri, Francesca Maglietta, Raffaele La Russa, Emanuela Turillazzi

Get full text

Turning Agricultural Biomass Ash into a Valuable Resource in the Construction Industry—Exploring the Potential of Industrial Symbiosis by Olivera Bedov, Ana Andabaka, Suzana Draganić

“…A case study of companies in the Republic of Serbia that produce SHA as waste forms the basis for this model, featuring promising results of experimental testing of three alkali-activated mortars produced by activating ground-granulated blast furnace slag (GGBFS) with different SHA contents (15, 25 and 35 wt% GGBFS), instead of commercially available hydroxide activators. …”
Get full text

Preparation of the New Military Units for the Front (the Experience of the Siberian Military District) by A. G. Bayer

“…In general, during the Great Patriotic War in the Siberian Military District 4 tactical formations, 43 infantry and 6 cavalry divisions, 30 infantry, mortar and ski teams were formed. Many of them have distinguished themselves in battle and have been awarded orders and honorary titles Guard names.…”
Get full text

Simulation of Motion Behavior of Concrete in Pump Pipe by DEM by Ji Hao, Caiyun Jin, Yue Li, Zigeng Wang, Jianglin Liu, Hongwen Li

“…In this paper, the mesocalibration test was used to measure the contact parameters (restitution coefficient, rolling friction coefficient, static friction coefficient, and surface energy) between coarse aggregate particles and mortar particles in Discrete Element Method (DEM) model of concrete. …”
Get full text