OTREC RR-13-01
SKU: 51628462591

OTREC RR-13-01

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Description

OTREC RR-13-01This Phase II investigation of the durability of new concrete containing recycled concrete aggregates (RCA) sought to corroborate Phase I results for a study of alkali silica reactivity (ASR), investigate ASR mitigation methods, gather long term outdoor placement data, and survey transportation agencies about their RCA perceptions and usage. Findings show the ASTM coefficient of variation limits do not apply when incorporating RCA. We recommend

This Phase II investigation of the durability of new concrete containing recycled concrete aggregates (RCA) sought to corroborate Phase I results for a study of alkali-silica reactivity (ASR), investigate ASR mitigation methods, gather long-term outdoor placement data, and survey transportation agencies about their RCA perceptions and usage. Findings show the ASTM coefficient of variation limits do not apply when incorporating RCA. We recommend further testing to establish new standards.
The survey showed sustainability was important to most agencies; 54% had guidance for RCA use in new concrete, but only 15% reported strong federal guidance; 77% had concerns about ASR reaction; the biggest barriers to RCA use were quality issues, lack of standards, and unclear test guidance; the biggest RCA source concerns were shrinkage, ASR and residual chlorides. Data sought on RCA sources were condition at removal from service, reason for removal, whether the original structure needed repairs, and material age.

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SKU: 51628462591

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Paola
Omaha, US
★★★★★ 5
Buena compra
Color: Apricot, Size: 14-Inch
Calidad, Color, espacio.
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Reviewed in the United States on May 1, 2026
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Vivian
Lexington, US
★★★★★ 3
Gorgeous, but some big downsides
Color: Pink-upgrade, Size: 14 Inch
I wanted to like this bag SO BADLY. I’ve owned other backpacks by this brand and they have never disappointed. This one though, was a close miss. The color is absolutely GORGEOUS and I almost kept it for that reason alone. However, two big things made me return it: 1) The inside is no longer padded. If you had purchased older Golf Supags backpacks, the interior had padding to help the backpack keep its shape and not slouch over on the floor. That’s gone, so this one does flop over a little. But the big deal breaker: 2) holy cannoli, these straps are WAY too long! On the shortest length, the backpack is still hanging almost halfway down my back. It looks weird, but it’s also not ergonomically good for your back. The actual strap part (with padding) is so far back that the thin seatbelt adjustable material is the only thing on my shoulders. Super awkward. I’m not necessarily a small person either, so I shudder to think what this would look like on someone more petite than me.
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Reviewed in the United States on July 15, 2025
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STEPHANIE
Louisville, US
★★★★★ 1
Flimsy and cheap
Color: Apricot, Size: 14-Inch
This is the second time I bought a purse online... First was on temu ... Expected to be trash and it was... So I bought this one... And idk what's worse, the temu purse or this one.. only buying them in person from now on unless Its 100% obviously sturdy and of good quality. The fabric and entire purse itself is cheap thin fabric .. not only does it feel cheap it looks cheap. I'm not one to write comments but I'd return it if I wasn't so damn lazy... It feels like the play purses your parents would give you as a kid. Not worth the money. I guess it has pockets, but I feel like my things would be sitting on the floor even though my purse is a barrier and feels like my belongings are not protected in the slightest... Especially not a laptop as advertised.
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Reviewed in the United States on April 5, 2025
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swissmiss
Belleville, US
★★★★★ 5
Beautiful and Well Made
Color: Royal Blue, Size: Small
Remarkable and well made top. It fits perfectly, is super soft and of substantial fabric. The color (royal blue) is vibrant and looks like the picture. It is made and feels like a much more expensive top you would find in an upscale shop. It wears well and you are never hot, just wonderful.
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Reviewed in the United States on May 29, 2026
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Amazon Customer
Belleville, US
★★★★★ 5
Best white tshirt ever! Will have to buy more
Color: White, Size: Medium
Top is great, better than the expensive designer top I bought. Fabric is so very soft, not super thin and just the right size. I bought a med and it fit perfectly, just right under a jacket or separate. It’s pure white with some stretch if you want a. Lose fit.
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Reviewed in the United States on May 17, 2026

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