Repair Portal

RepairGeneralMath, Science & Shotcrete – 2024 Outstanding Architecture | New Construction Project

Ryan Oakes

The repair was at a Middle School in Holly Springs, NC. Summer break had already started, so the situation was urgent: They needed a solution before school started back up, as one of the challenges included repair locations not just on campus but directly adjacent to class rooms.

RepairStructuralGeneralGoose Pond Dam Improvements – 2024 Honorable Mention Project

George Machikas

The rehabilitation of the Goose Pond Dam was initiated by the New Hampshire Department of Environmental Services to address significant leaking of the dam that threatened multiple downstream towns. Improvements included flattening the downstream slope, updating and improving the seepage collection system along the downstream toe of the dam…

RepairStructuralGeneralIce Harbor Dam Rewinds and Turbine Runner Replacement – 2024 Outstanding Infrastructure Project

David Graham

Ice Harbor Lock and Dam was authorized by the River and Harbor Act of 1945. Constructed in 1956, the project includes a dam, a powerhouse, a navigation lock, two fish ladders, a removable spillway weir, and a juvenile fish bypass facility. It provides navigation, hydropower, flood risk management, fish and

RepairInternationalGeneralModernization of the Water Treatment Plant in Poznan – 2024 Outstanding International Project

Wlodzimierz Czajka

According to the available documentation, the Iron Removal Building and the Rapid Filter Building were both put into operation in 1943, built mainly by prisoners of war from various nations.

RepairGeneralHemlock Reservoir Dam Improvements – 2024 Outstanding Rehabilitation & Repair Project

George Machikas

The Aquarian Water Company of CT authorized the repair and resurfacing of the Hemlock Dam. The dam, commissioned in 1928, is about 2 mi (3.2 km) from Fairfield, CT. Size is approximately 1100 ft (340 m) long and 75 ft (23 m) high.

RepairStructuralGeneralThe Diversity of Shotcrete

Clint Jenkins, Jason Bossier, and Joe Swann

It is truly paramount to recognize the diversity of solutions available because of the versatility that shotcrete offers. Shotcrete placement provided more efficient, sustainable and durable concrete solutions in these two cases than could have been achieved with a form-and-pour approach.

RepairUndergroundGeneralRelieving Water Pressure on Shotcrete Lining by Integrating a Drainage Mesh

Johnny Poulsen & Sergii Tabachnikov

Underground construction, especially a tunnel, is one of the most complex challenges in the field of civil engineering. Dolenco Drain is an innovative solution which addresses many of the difficulties with controlling or eliminating water pressure in an easy, safe, long-term, and cost-effective manner.

RepairUndergroundStructuralGeneralSummary of ‘Guideline on the Applicability of Fiber-Reinforced Shotcrete for Ground Support in Mines’

By Rym Msatef and Marc Jolin

This guide examines and provides a description of the common testing methods used for FRS and how to interpret the information generated for ground support in mines.

RepairArchitecturalStructuralGeneralGuide to ACI Shotcrete Documents

Lars Balck

RepairStructuralA Study on Low-Velocity Sprayed Mortars

Christine Poulin and Marc Jolin