waste concrete helps with erosion control at the boat ramp at henderson point on the bay of st. louis in pass christian, mississippi - 拋石 個照片及圖片檔
small wooden dock and boat ramp on lake seminole at the corps of engineers east bank campground near the florida state line in georgia - 拋石 個照片及圖片檔自然郊野公園
Concrete facing are used for some embankments near flood vulnerable wadi's though most of the embankments are protected more simply with rip-rap,...沙地阿拉伯, 水災
Coalson scrambles among concrete blocks, placed on bank os riprap, to inspect a pipe leading to water from house. Credit: Denver Post, Inc.
Old building stones lie in the middle of the river channel at the foot of a low dam near W. 4th Ave. They'll be used for riprap after dragline pulls...
Some of these objects on South Platte River bank, just upstream from E. 104th Ave., might find a degree of justification because they are used as...
Bayyo rice terraces, on a steep mountainside. Bontoc, Mountain Province, Luzon, Philippines, Southeast Asia.
Banaue rice terraces, unique in using stone walls to protect against erosion. Bontoc, Mountain Province, Luzon, Philippines, Southeast Asia.
Topanga resident RC Brody scrambles rock to rock across fallen riprap along a severly undercut area below Topanga Canyon Blvd. The creek has undercut...
Man walks past the "riprap" shoreline defence below a cliff where a landslide occured in 2008 on the Maritime Boulevard in Barneville-Carteret,...
This picture shows a general view of the "riprap" shoreline defence below a cliff where a landslide occured in 2008 on the Maritime Boulevard in...
This picture shows a general view of the "riprap" shoreline defence below a cliff where a landslide occured in 2008 on the Maritime Boulevard in...
This picture shows a general view of the "riprap" shoreline defence below a cliff where a landslide occured in 2008 on the Maritime Boulevard in...
People walk past the "riprap" shoreline defence below a cliff where a landslide occured in 2008 on the Maritime Boulevard in Barneville-Carteret,...
This picture shows the "riprap" shoreline defence below a cliff where a landslide occured in 2008 of the Maritime Boulevard in Barneville-Carteret,...
Port of Richards Bay, Richards Bay Harbor South Africa Finished concrete block on the North headland, surface of the riprap is 3.0 meters above NW...
Port of Richards Bay, Richards Bay Harbor South Africa Finished concrete block on the North headland, surface of the riprap is 3.0 meters above NW...南非
Bruce Rowe, park ranger with the National Park Service, walks down on a riprap built to prevent beach erosion at the Indiana Dunes National Lakeshore...
lower manhattan skyline and one world trade center viewed across east river from brooklyn waterfront under construction in new york city, new york. - 拋石 個照片及圖片檔
coastal sea wall and sandy beach with mulberry harbour relics in arromanches, normandy, france - 拋石 個照片及圖片檔
view of old pier pilings in the east river with the brooklyn heights skyline and promenade - 拋石 個照片及圖片檔
