hollow sound from parking deck concrete

The Structural Maintenance of Parking Garages - Carl Walker ...

D Does a chain-dragging test reveal a hollow sound in any areas? D Is there any evidence of concrete delamination? D Is there any evidence of corrosion of ...

Parking Design Aid - AISC

of tradition—break away from that same old, tired concrete parking garage! Read ...... Does a chain-dragging test reveal a hollow sound in any areas? ? Is there ...

Concrete Parking Garage Degradation - Zurich Canada

structure. Zurich offers an overview of the common causes of concrete garage ... concrete parking garage can span several decades. ... Hollow sounds can.

Arrowhead Precast | Precast Concrete Products and Services | Tulsa ...

Welcome to the official website of Arrowhead Precast. We are a locally owned precast concrete company located in Broken Arrow, Oklahoma. We deliver quality ...

International Cellulose Corporation | K-13

Sep 26, 2012 ... The resilient fibers of K-13 absorb sound energy instead of reflecting ... television and sound studios, convention centers and parking garages.

Summit Parking Garage Case Study.qxp - Sika Corporation

Repair. All loose and deteriorated concrete was removed back to sound concrete. Structural cracks in the structure were pres- sure injected and repaired with ...

4. Physical Techniques to Reduce Noise Impacts - The Audible ...

Jun 9, 2017 ... The Audible Landscape: A Manual for Highway Noise and Land Use. 4. Physical ... Figure 4.2 which follows shows a proposed parking garage along two sides of a .... Thus, concrete walls are better insulators than wood walls of equal thickness. .... The common, hollow core door has an STC rating of 17 dB.

Nondestructive Concrete Testing - Mistras Group

Concrete is one of the most widely used construction materials for a wide variety of structural ... the surface of the concrete. Hollow or dull tones that can be heard ... Related to the sounding technique is the impact echo method. Impact ... bridge decks, tunnels, balconies, parking garages, etc., measures slab thickness and ...

Parking Garage Slab Deterioration | Geotechnical Engineering ... - ECS

Nov 30, 2012 ... Slab deterioration is typically related to concrete cracking, which allows ... passes over a delaminated area, it produces a distinct hollow sound.

Podium Slabs | Atlanta Structural Concrete Company

Usually these slabs are situated above parking levels and as such require ... a typical garage floor can be converted to a Hollow-core floor to increase the living ... These slabs offer high fire ratings, reduced sound transmission, as well as ...

Is that parking garage safe? Inspections not required - Pressconnects

Sep 11, 2015 ... What happened was the failure of the two-level concrete parking .... area of concrete, and a trained professional can hear a hollow sound that ...

Corrosion Monitoring of Reinforced Concrete Structures | FPrimeC ...

Sep 11, 2017 ... Detecting corrosion in a concrete structures require appropriate ... moving over the deck, and distinguishing the hollow sound becomes difficult.

Parking Structure Condition Survey - University of Hawaii at Manoa

The existing parking structure is an open 5-level concrete structure built in two phases. Phase I was ... Tri-tees. Hollow core planks. Ventilation Systems ..... cover will also address the noise generated by the brass cover presently protecting the ...

How It Works ? Delam Tool – Concrete Delamination Testing Tool

Listening for the characteristic hollow sound produced by dragging a chain ... flat surfaces, such as bridge and parking decks, and some concrete highway slabs.

Parkade Restoration 101 - Williams Engineering

Jun 6, 2017 ... Concrete is a porous material which all allows water to penetrate to the ... surface delaminated areas of concrete typically make a hollow sound as the chain ... similar concrete deterioration as those of heated parking garages.

Chain Drag Delamination Surveys| Concrete Construction Magazine ...

In the article "Shear Collars Save a Parking Garage" (Concrete Construction, October ... A distinctly hollow, drum-like sound is heard when delaminations are ...

Concrete Repair and Restoration Contractor | Vector Construction

Some of the reasons that concrete in a parking garage or structure needs to be floord ... water leakage, concrete spalling and hollow sounding delaminations.

FAQ - Wells Concrete

How flexible is precast concrete design? Whether ... Will the hollowcore provide a perfectly smooth surface? ... What openings can Wells put in the hollowcore?