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Development of the Asphalt Mixture Automated Testing System with Zero Intervention

This guest post was written by Andrew Cooper. The Asphalt Mixture Automated Testing System with Zero Intervention, developed by Dr. 周福杰德克萨斯大学&M University and soon to be manufactured by Humboldt, marks a significant advancement in asphalt mixture testing in the U.S. This innovative system is designed to automate... Read more >

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Concrete, Pull-off Testers

Four Common Errors To Avoid When Performing a Pull-off Test

Four Common Errors To Avoid When Performing a Pull-off Test Pull-off testing using Hydrajaws equipment is easy, straightforward and accurate when done correctly. In this article we have identified four common mistakes, 哪些会影响测试结果, as well as some methods to use to avoid these mistakes. 1. 不正确地使用... Read more >

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Concrete, Curing Room, ASTM C511

Curing Rooms for Concrete Specimen Testing

When it comes to testing concrete cylinders and cubes, the proper storage and curing of specimens is just as important as the testing process. Not paying attention to properly curing and storing specimens can lead to erroneous compression test results. Dry conditions, lack of humidity, low and high temperatures can all... Read more >

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Sieves, 粒径分布, Soil Testing, ASTM D7928, ASTM D422

D6913 and D7928 Replace D422 Particle Size Analysis

This guest post was written by Jack Germaine . He is a Research Professor of Civil and Environmental Engineering at Tufts University. Determination of the particle size distribution (PSD) is one of the most requested soil characterization tests. The results are used for classification and estimation of engineering... Read more >

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Concrete, 无损检测(NDT)

Protect Your Assets and Minimize Risk with Regular Concrete Inspection

Climate Change is Corrupting Infrastructure As atmospheric CO2 levels continue to increase with global warming, the safety of concrete structures is in jeopardy. Climate change has become a major concern, and a contributing factor of reinforcement corrosion in buildings, bridges, and other concrete infrastructure around the... Read more >

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Asphalt, Concrete

The Infrastructure Bill and Effects on the 建筑材料 Industry

The new infrastructure bill passed the Senate on August 10 after months of tough negotiations. This spending package carries a $1 trillion price tag over five years. $550 billion is geared for transportation, 宽带和公用事业, while $110 billion is earmarked for roads, bridges and other major infrastructure projects,... Read more >

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Asphalt, Technical

A Demonstration of the Asphalt Pavement Scanner

This guest post was written by Chuck Oden, PhD of ESS. This white paper was originally published by ESS and we are sharing it here, with his permission. Introduction The Humboldt Asphalt Pavement Scanner (APS) is a revolutionary new system that provides detailed and comprehensive quality information for new asphalt mats without... Read more >

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Laboratory, COVID-19

Covid-19 Pandemic Enables Remote Laboratory Learning

This guest post was written by Jack Germaine. He is a Research Professor of Civil and Environmental Engineering at Tufts University. Universities were quick to adapt to the norms of social distancing. Various modes of remote delivery were implemented to allow students to continue educational progress. 实验科目有... Read more >

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Knowing the quality of the concrete being used in construction is a requirement at building sites worldwide. Concrete slump testing is a quick and easy procedure that can be performed in real-time and on-site that is used to determine the workability as well as the consistency of fresh concrete. Concrete with slump values that... Read more >

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Soil, 核密度计

How to Measure Field Density of Soil Using Nuclear Density Gauges

Soil density is an important factor to most construction projects and provides critical support for buildings, roads, 路面及其他构筑物. Soil is frequently disturbed during the development process resulting in the introduction of air or water into the ground. Any water particles or air voids must be removed from... Read more >


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