Article

RepairGeneralThe Energy Innovation Center

Ted W. Sofis

Read More

For many years, the Connelley Vocational School stood at the top of Bedford Avenue on ?The Hill,? as it is locally known, overlooking downtown Pittsburgh, PA.

Article

PoolRepairProject Profile: Underwood Pool Belmont, MA

Mason Guarino

Read More

The Underwood pool in Belmont, MA, is known as the first outdoor public swimming pool built in the United States.

Article

RepairGeneralWhy Bonding Compounds are Not Recommended with Shotcrete

Ted W. Sofis

Read More

The Question of Bonding Agents and Shotcrete

Article

RepairUndergroundLayers in New York City Overhead Tunnels

Frank E. Townsend III

Read More

The New York City Transit (NYCT) Metropolitan Transportation Authority Capital Construction (MTACC) has several largescale projects throughout New York, including one major program: the East Side Access project.

Article

RepairUndergroundStructuralGeneralThe Durability of Shotcrete? Looking Back at Projects from 30 to 40 Years Ago

Ted W. Sofis

Read More

Anyone who has ever had to remove old gunite from a bridge or an overpass knows how incredibly difficult it can be to tear out.

Article

RepairThe Oregon City Arch Bridge

Marcus H. von der Hofen

Read More

The Oregon City Arch Bridge Rehabilitation project was officially completed on October 31, 2012, by the Wildish Standard Paving Company.

Article

RepairGeneralProviding Sulfate Resistance in Severe Exposure Conditions

Mark R. Lukkarila

Read More

Naturally occurring sulfates are common in soils within certain regions of the United States and Canada, especially the western United States and prairie provinces of Canada.

Article

RepairUndergroundVariability of Compressive Strength of Shotcrete in a Tunnel-Lining Project

Lihe (John) Zhang

Read More

Recently, questions have been asked by the International Tunnelling and Underground Space Association (ITA) about what variability can be expected for compressive strength for shotcrete (sprayed concrete) in ground support projects.

Article

RepairUndergroundGeneralShotcreting on Frozen Ground

Paul H. Madsen

Read More

The Northern Boulevard Crossing (NBX) is the keystone portion of the massive multi-billion-dollar East Side Access (ESA) Programme by the Metropolitan Transit Authority Capital Construction (MTACC) to bring Long Island trains into and out of New York City’s Grand Central Terminal.

Article

RepairStructuralMarine Structures: Pier Projects

Tommy Pirkle and Randell Ogburn

Read More

Marine piers are abundant in the United States and are generally made of concrete.