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Fall 2016

Najari, Mohamad

The most common fatigue problem in steel structures is fatigue cracking caused by distortion. Although methods of repair for structures that suffer from distortion induced fatigue do exist, our ability to assess the resistance of existing structures is lacking. Consequently, it is difficult to...

Fall 2023

Zheng, Qian

As a critical member of infrastructural lifeline, pipelines fulfill a vital role in energy delivery across long distances from source to market. Pipelines at service can be exposed to a wide variety of loads depending on the environment and the area of application. Internal pressure and ground...

Fall 2014

Tassew, Samson T

emissions and embodied energy compared to concretes produced with Portland cement binders. This research had two parts: the first part was to develop and characterize lightweight structural ceramic concretes made from MPPC binders and various aggregates, and to study the uniaxial tensile response of

composite made of these ceramic concretes and glass textile reinforcements. The second part of the study developed an innovative structural system using these ceramic concretes, reinforcing steel and glass textile reinforcements. Laboratory tests were performed to develop and characterize the rheological

and mechanical properties of an innovative ceramic concrete that contained or omitted chopped glass fibers. Results indicated that ceramic concrete could be formulated with rheological and mechanical properties suitable for structural applications. The produced concretes exhibited rapid strength gain

Fall 2020

Mirdad, Md Abdul H

over the MTP panels to improve various performance attributes, including structural, acoustic and vibration serviceability. Mass Timber Panel-Concrete (MTPC) composite floor system often consists of a Mass Timber Panel (MTP) connected to the concrete layer with mechanical connectors such as Self

stiffness required for structural design. In this research, three types of MTPs with normal weight concrete, three insulation thicknesses, two screw embedment lengths and two screw angles were tested to characterize connection strength and stiffness. Test results showed that connections with screws at an

Spring 2022

Zhang, Lei

This thesis focuses on the structural performance of mass timber panel-concrete composite floors with notches. Mass timber panels (MTPs) such as cross-laminated timber, glue-laminated timber, and nail-laminated timber, are emerging construction materials in the building industry due to their high

strength, great dimensional stability, and prefabrication. The combination of MTPs and concrete in the floor system offers many structural, economic, and ecological benefits. The structural performance of MTP-concrete composite floors is governed by the shear connection system between timber and concrete

composite floors is not standardized and the existing design guidelines are inadequate for MTP-concrete composite floors. To study the structural performance of notched connections and notch-connected composite floors, this thesis presented experimental, numerical, and analytical investigations. Push-out

Fall 2017

Moosavi Nanehkaran, Seyed Abdol Hadi

Although the reliability levels of structural steel and reinforced concrete structures designed to the Canadian codes and standards have been investigated substantially in the past four decades, studies on the reliability of masonry structures are limited. Based on some preliminary studies in 1980s

investigation reported herein was carried out to contribute to filling the gap in our knowledge on the reliability of structural masonry members designed using the limit states method, to establish reliability levels for masonry comparable to other structural materials and to help remove any unnecessary

Spring 2023

Kang, Ning

Static deflection at mid-span under a concentrated load and fundamental natural frequency are two important vibration serviceability design parameters for mass timber panel (MTP) floor systems. Current design procedures for the two parameters tend to be conservative and over-simplified. To...

Fall 2024

Pessiyan, Sepehr

test data linked to diverse structural elements, has opened new avenues for structural analysis. These methods offer potential solutions to the problems encountered in numerical simulation. This M.Sc. thesis aims to develop data-driven surrogate models for the prediction of nonlinear hysteresis

Spring 2023

Yi, Chaofan

The production of cement-based materials releases numerous greenhouse gases into the atmosphere and therefore, accelerates global warming. The search for an alternative to Portland cement systems has thrown up the family of alkali-activated geopolymers as a potential choice. In civil engineering

, workability, setting time, strength and durability are the most important demands as they determine the quality of construction, engineering performance and the service life of structures. To boost the widespread application of N-A-S-H geopolymers in civil engineering, developing mature mix design guidelines

Fall 2015

Cakiroglu, Celal

study of vintage pipes in order to have a better understanding of their structural response under tensile strain. In the scope of this research program the tensile strain capacity of energy pipelines is investigated both experimentally and using finite element analysis. In the experimental part of

classification of failure modes of cold bends under large tensile strains. In order to have a better understanding of the tension side fracture of cold bends under excessive tensile strain, the effects of the internal pressure level and the pipe steel grade on the structural response of cold bends are

showed that, two different types of structural response can be observed depending on the level of the internal pressure and the steel grade. In order to develop a rigorous decision making procedure for the mode of the structural behaviour, a linear classification algorithm is utilized based on the