- Presenters:
- Chris Dumford
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- Terracon performed an investigation of a five-story concrete constructed building which had sustained significant damage, both before and after Hurricane Matthew in Nassau, Bahamas.
- Price:
- $0.00 - $40.00
- Presenters:
- Mr. Scott M. Greenhaus
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- Concrete repair activities expose the workforce to significant risk of head injuries. Helmets can help the construction industry reduce these avoidable fatalities and injuries.
- Price:
- $0.00 - Base Price
- Presenters:
- James Farny
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- This session describes common issues to consider and potential modifications when using PLC materials to ensure successful implementation.
- Price:
- $25.00 - $40.00
- Presenters:
- Mr. Matthew Sherman
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- This session will explore the differences between bonded and unbonded topping slabs, discuss materials- and installation-related causes of failures, and provide guidelines to properly implement each type of topping slab.
- Price:
- $25.00 - $40.00
- Presenters:
- Mr. Charles Hanskat, P.E. | Marcus Von der Hofen
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- Galvanized corrugated metal and concrete underground culverts are common infrastructure in North American highways and stormwater management. A shotcrete lining is a cost-effective and efficient method to strengthen and significantly extend their useful life.
- Price:
- $25.00 - $40.00
- Presenters:
- David Bewley | Christian Stone, M.S., M.Phys.
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Short Description:
- This session describes how novel corrosion management techniques have been used to extend the life of a variety of heritage structures, including a church, a bridge and even a castle.
- Price:
- $25.00 - $40.00
- Presenters:
- Nigel Parker
- Duration:
- 29 Minutes
- Format:
- Audio and Video
- License:
- Access for 6 month(s) after purchase.
- Short Description:
- The Avalon Mall parking facility is a four level above grade structure, consisting of three suspended parking levels (approximately 7,750sq.m. each) and one on-grade parking level connected to the existing mall with a new pedestrian bridge. RJC was the structural engineer of record. During construction of the parking structure extensive cracking of the suspended parking garage slabs was noted at two of the 24 pours. RJC undertook a visual assessment of the parking slabs in question to determine the extent of the noted cracking and determined over 750lin.m. of cracks ranging in size from 0.5mm to 6.5mm in width. Following the visual assessment destructive testing of the concrete was undertaken to determine its in-situ properties as well as to understand the full extent of the cracking.
- Price:
- $15.00 - $25.00
- Bundle:
- Fall Conference Bundle
- Presenters:
- Nate Rende
- Duration:
- 37 Minutes
- Format:
- Audio and Video
- License:
- Access for 6 month(s) after purchase.
- Short Description:
- Nondestructive testing is often used in conjunction with traditional methods to assess construction, material, or structural deficiencies in new construction. This presentation describes evaluation of unique delamination failures within below-grade, exterior walls of a new subway station. The walls were conventionally reinforced mass concrete cast against a soldier pile and lagging retention system. Shortly after construction, leakage at cracks and joints was observed and injection processes led to delamination of the interior surfaces. The assessment objectives were to determine the extent and cause of near-surface discontinuities and evaluate the structural integrity of the walls. Nondestructive testing included flaw detection using Impulse Response [structural mobility testing] and reinforcement locating using ground-penetrating radar. Sampling and petrographic examinations were conducted to correlate test results with distress conditions and evaluate the in-situ concrete.
- Price:
- $15.00 - $25.00
- Bundle:
- Fall Conference Bundle
- Presenters:
- Mr. Scott M. Greenhaus
- Duration:
- 1 hour
- Format:
- Audio and Video
- License:
- Access for 6 month(s) after purchase.
- Short Description:
- The iconic construction hard hat, a symbol of pride for the construction worker, has changed very little in 50 years. Developments in the understanding of the causes and prevention of debilitating and often fatal head injuries is leading to a revolutionary change in the way we protect our people from head injuries on the jobsite. The classic hard hat is about to change forever. This presentation will focus on new technology available today to minimize the effects of falls and impacts to the head of the worker. We will also focus on new technologies, already in development, that can further provide protection from head injuries. Industry requirements (OSHA, ANSI) will be reviewed, and the application of worldwide standards (EN) will be discussed and applied to new helmet development and implementation.
- Price:
- $15.00 - $25.00
- Bundle:
- Fall Conference Bundle
- Presenters:
- Anirudh Goel | Mr. Charles Hammond
- Duration:
- 28 Minutes
- Format:
- Audio and Video
- License:
- Access for 6 month(s) after purchase.
- Short Description:
- The presentation, through case studies, talks about emergency response services for structural issues encountered during construction of new design projects. Among other examples is an eleven story precast parking structure. The contractor observed significant diagonal faulted cracking of L-beams (supporting double-tee sections) near bearing locations, few days after pouring topping slab. In addition, inverted-tee girders were observed to be supported on cracked corbels at other locations. A quick turn around was required to mitigate any immediate life safety hazard posed by the structural distresses and buy time for thorough investigation, non-destructive testing, analyses, and repair design. Another example is a seven story precast parking structure. The structure was under construction and reportedly erected out of plumb. Poor concrete placing practices and poor weld detailing led to widespread cracking in multiple structural elements throughout the structure...
- Price:
- $15.00 - $25.00
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