Archive for the ‘bridges’ Category
Stony Brook University did a long-term study of the use of concrete, a catalyst and coal ash which did not affect the soil it was in. Proposed was sea walls and other mediating structures. I read a woman in a private company had invented a mixing machine that incorporated small pieces of metal, based on stress and need, in the concrete as it was transported to the forms. The shapes were researched and appeared shaped like carabiners, different size and diameters, allowed concrete in new forms, now stronger than with rebar. Perhaps a stronger “slurry wall” would also be built, and the interface at bedrock, more secure than the flat-ends of a rebar cage. Law requires rebar to be cleaned, labor intensive, when reused for example in a bridge. There was a multiple machine that uses high pressure water to break, remove old concrete and clean the rebar using water pressure. Faster than by hand, the concrete is poured as part of this “train”, which however is very loud.
After the first WTC attack, bomb in a van in a parking garage, cameras went in all over downtown NYC, as an apparent "deterrent". Well, they’re still there and even more today than then. When the camera phone was introduced a large change in the everyday traffic and commerce also changed. People learn new tech and make mistakes with it too. Where were the cameras on the NYC landmark George Washington Bridge? Pointed at the traffic. It’s a long way, it seems to me, from Rutger’s University. Putting Ravi in long-term lockup won’t create legislation guaranteeing "privacy" an expectation we’re told not to have even in the Post Office replacement … e-mail. Terrible it was, but perhaps more to the motive.
The brother-in-law of the now Chief Justice of the Supreme Court, from this street in the Bronx, perished crashing off of it a number of years ago in a late model Land Rover. Built originally for the NY Thruway, it has become an interstate and much of the I dare say Nation’s commerce is tied to it. I work for a company researching it, and it’s unique, eligible for the National Register, because no other bridge has been built like it! It sits on “floating” concrete caissons in the Hudson River, perhaps, built in the Cold War to be “dropped” as a “Great Chain” across the Hudson River used to stop the British Navy in a number of Hudson River locations in the American Revolution, allowing small boat passage and designed to thwart large ships-of-the line. By the way this page “crashes” my computer until I used Firefox to block scripts and plugins. Wonder what that’s about? I observe the overfilled “park and rides” and bus lots in Rockland County and think, with all the traffic, this, with light surface rail, express bus, and even foot-travel over the river, a welcomed idea. Then onto a monorail to Albany!
“Berlin to New York in less than One Hour!” – In the November 1931 “Everyday Science and Mechanics” magazine published until 1984. Recent Wikimedia Commons scanned cover addition.
Interesting artistic rendition of the NYC harbor and the many wharves for ships. Governors Island looks a bit different too. Notice the three bridges: Brooklyn, Manhattan and Williamsburg, a great “birds-eye” view. I once made a map tracing the outlines of lower Manhattan as it “evolved” outward from various historic maps that showed the shorelines and once exhibited at “New York Unearthed” museum at 17 State Street, back in the early days of consumer digitizing tablets. One theory is that economic “recession” actually resulted in land-filling “expansion” as reported by a French observer who wrote that we had seemed to have solved the unemployment problem after the Revolutionary War, as upwards of 5,000 veterans worked in leveling and filling former domestic and military sites around the island. It appears to have started earlier, “slips” then filled, then many wharves, and as you can see in 1931, covering the entire harbor! Since 1971 the control of the shoreline is under the US Army Corps of Engineers jurisdiction.
Is this where the band “Kinks” comes from? I imagine it’s a word we still use sometimes, though appears in different use then?
Listening to Hot Tuna “Steady as She Goes” Released April 4, 2011 on the Amazon Cloud Player.
Pulverized I read toward the end of the war by the Union, I seem to recall two large R.P. Parrott "rifles" were later found walled up in it. I worked in the Foundry Cove next to the West Point Foundry and Constitution Island where they were made and we found an R.P. Parrott gun platform used as a "Swamp Angel" bombarding Charleston in 1863 with incendiaries. EPA Marathon Battery Superfund National Priority remediation batteries for Nike missiles made there later, "apropos". Civil War | The New York Times (2)
An interesting painting:
A view rarely seen, though you might have years ago as I recall as a small child on the Circle Line cruises that left New York, turned around at West Point and docked at Bear Mountain State Park. One can see a side-wheel ferry-boat that used to stop at the “Steam Dock” in Cold Spring, NY on the east shore of the Hudson River in this painting. Further north one can see Pollopel Island that became “Bannerman’s Castle” in the early 20th century, now a state historic site, and the Hudson Highlands. The east shore “West Point Foundry” appears quiet, lacking smoke, where many cannons and other material was made in the historic ironworks, now an interpretative park with trails through the “sea of brick” and maintained by Scenic Hudson, Inc. Constitution Island appears just beyond the USS Macedonia and USS Savannah in this wonderful Hudson River painting. From about here, one of the “chains” stretched across the Hudson River to Constitution Island and its forts both there and above the river, set to thwart the advance of the British Navy’s large ships in the Revolutionary War for Independence.
Bear Mountain Park is where the State of NY opened nearby an archaeologically excavated and interpreted Revolutionary War era site, Fort Montgomery, across the Popolopen Creek (or “Popolopen’s Kill”), which recently had a suspension footbridge built across, connecting with the park. Another “chain” once stretched across the Hudson River here. Just below that bridge, and by the Bear Mountain Bridge, also on the Appalachian Trail, we once worked documenting two Hudson River wind-powered centerboard cargo haulers for the NYS Parks, Recreation and Historic Preservation Office. Seen in a 1930s(?) photo in the background of a replica of the Dutch “Half Moon” (original voyage captained by English explorer Henry Hudson), it was a surprise to find they never left that photo! They had an interesting iron rod and wood construction (no threads and nuts, see my: “Ship Architecture Query”) and the centerboard on the sailboat allowed them added control in the tides and winds of the river, pulled up for shallow docking to load and unload. It also, as seen, had a very shallow rudder. That particular area of the Hudson River, under today’s Bear Mountain Bridge, was known as “The Race” as many boats would wait on the tide and then set off upriver, had the appearance of a “race” to one observer cited in an unpublished manuscript in the Field Library in Peekskill, NY. Peekskill is also home of the National Maritime Historical Society (NMHS) of the USA. Our recordings of the two hulks were reported in an article in their “Sea History” quarterly magazine. This Panoramio photo “Route 9W Viaduct Bridge, circa 1918” perhaps shows the two ships circa 1918, found in Google Earth.
Comments: The Tappan Zee Bridge was not designed for the interstate traffic it receives daily. It was a NY State “thruway” and a toll road, that was not anticipated to carry as much as it does now. Today it links many resources. Other projects have perhaps been held up by it, i.e. a nearby truck-to-train transfer for produce, would have then again transferred in the South Bronx off the rail-cars to special trucks that would fit under every overpass in NYC, lowering produce costs by at least 5% once so-called Oak Point Link, 30 years ago. It was thought to eliminate a lot of truck traffic into and around the city by limiting unloading to the Tappan Zee area for special containers on trains shifted to special, smaller trucks.
“New York ranks 46th among the 50 states in the amount of greenhouse gases generated per person. This efficiency is primarily due to the state’s higher rate of mass transit use.” – Wikipedia