Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Concrete--Testing"”.
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Failure resilience and traffic engineering for multi-controller software defined networking
… there is a lack of readily available tools and concrete testing methodologies. To this end, this thesis provides concrete testing methodologies and tools readily available to the MCSDN community to evaluate the data plane failure resilience, control plane failure resilience, and TE optimisation …
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Mechanical And Computational Evaluation Of Cementitious Materials With Hollow Glass Microsphere Inclusions
… a suite of software called Virtual Cement and Concrete Testing Laboratory (VCCTL), the microstructural details were determined for 80% degree of hydration of the cement mixture for these different volume fractions. The VCCTL-generated three dimensional heterogeneous microstructures with various …
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Strength of concrete of various proportions
Made available in DSpace on 2017-11-30T22:46:25Z (GMT). No. of bitstreams: 2 5958026.pdf: 5212244 bytes, checksum: 1561ef86941453b5c883e23ee412b2ab (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1896
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Tests and analysis relating to the strength and elasticity of concrete and reinforced concrete under biaxial stress
Made available in DSpace on 2016-11-09T23:47:22Z (GMT). No. of bitstreams: 2 5994699.pdf: 19675892 bytes, checksum: 828ebbff7a7f23cd6c1f78b0508bc4a2 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1916
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The effects of Visual Stability Index (VSI) on fresh and hardened properties of Self Consolidating Concrete (SCC) under accelerated curing condition
Self-consolidating concrete, also known as self-compacting concrete (SCC), is a highly flowable concrete that spreads into place and fills formwork without the need for mechanical vibration. SCC reduces the time and labor cost needed for concrete placement. This study is part of the proposed …
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The effects of Visual Stability Index (VSI) on fresh segregation of self consolidating concrete (SCC) using fly ash class C and F
Self-consolidating concrete (SCC) is a concrete technology that is growing in popularity with the precast/prestressed industry and contractors. SCC increases the ease of concrete placement as well as reduces overall cost by requiring less labor and time for a concrete placement. This study is part …
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Modeling Student Software Testing Processes: Attitudes, Behaviors, Interventions, and Their Effects
Effective software testing identifies potential bugs and helps correct them, producing more reliable and maintainable software. As software development processes have evolved, incremental testing techniques have grown in popularity, particularly with introduction of test-driven development (TDD). …
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The development of shaft friction in semi-fullscale piles passing through granular soils
… test pile was loaded in a 3m diameter by 3m deep concrete testing tank equipped with sand placement machinery and a dust extraction unit. Small plates, linked to transducers, were used to measure the sand displacements around the pile.<br/><br/>A small dynamic probe was used to monitor the …
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The effect of alternate freezing and thawing on the strength of concrete
Made available in DSpace on 2016-11-09T23:48:06Z (GMT). No. of bitstreams: 2 5994864_opt.pdf: 5626120 bytes, checksum: e96fe8025d45028b84dc2a6d0a69aa41 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1916
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Optimizing the usage of fly ash in concrete mixes
… ash (FA), on a larger scale in the cement and concrete industry, by utilizing the FA to the optimum. In this study concrete mixes of 25 MPa, 35 MPa and 50 MPa with FA partially substituting the cement at 30%, 40%, 50% and 60% were produced and numerous tests were performed to determine the …
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Nanomechanical characterization of asphalt
In this study, asphalt binder and asphalt concrete (AC) materials are characterized using laboratory nanoindentation testing and mechanical models. Traditionally, laboratory nanoindentation test data is analyzed using the Oliver-Pharr method to determine elastic modulus and hardness of materials. …
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A study on the debris found in a pervious concrete sample
… how and what debris clogs well-aged pervious concrete, a fourteen-year-old pervious concrete parking lot was cored and the samples investigated. First, a falling head test was performed to determine the infiltration rates on the samples, and the distribution was such that the infiltration …
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Evaluation and modeling of repeated load test data of asphalt concrete for mechanistic-empirical flexible pavement design
… in predicting rutting performance of asphalt concrete. The rutting model is empirical and the rutting profiles obtained from the model are largely based on the adjustment of calibration constants not the DM. Various DM values would be capable of producing similar rutting profiles based on the …
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Verification of asphalt concrete performance prediction using level 2 and level 3 inputs of mechanistic-empirical pavement design guide for flexible pavements of the state of New Jersey
<p>The purpose of this thesis is to present the results of the verification study of the Mechanistic-Empirical Pavement Design Guide (M-EPDG) using level 2 and level 3 inputs. In addition, the challenges of verification of the predicted performance with the help of field-measured data of existing …
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Thermal Conductivity of Fiber-Reinforced Lightweight Cement Composites
This dissertation describes the development of a multiscale mathematical model to predict the effective thermal conductivity (ETC) of fiber-reinforced lightweight cement composites. At various stages in the development of the model, the results are compared to experimental values and the model is …
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Concrete microstructure homogenization technique with application to model concrete serviceability
Conventionally, mechanical properties of concrete are attained through experiment by leaving microstructural phases interaction in a black box. To fully understand concrete, it is necessary to bridge the gap between microstructure and macro properties. In this dissertation, with several models …
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Response of high strength concrete columns under fire-induced biaxial bending
Reinforced concrete (RC) columns, under fire conditions, can experience biaxial bending which can arise due to eccentricity in loading, uneven spalling, or due to significant thermal gradients generated through 1-, 2-, or 3-sides of fire exposure. High strength concrete (HSC) columns are especially …
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Alternatives to PCI and MicroPAVER based maintenance solutions for airport pavements
Airport pavements need to be maintained for adequate health condition by implementing cost effective maintenance solutions. Traditionally, maintenance and repair techniques have been developed based on the minimum acceptable Pavement Condition Index (PCI). However, there are pavements which show …
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Evaluation of selected airport pavements in New Mexico
… Laboratory at the University of New Mexico for testing. Soil tests include index properties, moisture, and classification tests. Using these laboratory test results, a strength parameter called the California Bearing Ratio (CBR) value of the subgrade soils is determined. Also, the CBR value of …