The phrase "a caisson that" is correct and usable in written English.
It can be used when referring to a specific type of caisson in a descriptive or explanatory context.
Example: "The engineer explained the design of a caisson that would support the bridge's foundation."
Alternatives: "a caisson which" or "a caisson that is".
A mix design was developed and tested in a reusable trial caisson that would simulate field casting conditions.
The horse-drawn caisson (that word fascinates me still) making its long way through Washington -- such a vastly different procession from the motorcade I had witnessed three years earlier -- mesmerized me.
In London the young Swiss engineer Charles Labelye, entrusted with the building of the first bridge at Westminster, evolved a novel and ingenious method of sinking the foundations, employing huge timber caissons that were filled with masonry after they had been floated into position for each pier.
The foundations of high-rise buildings must sometimes support very heavy gravity loads, and they usually consist of concrete piers, piles, or caissons that are sunk into the ground.
The technique has progressed there from the use of solid-walled caissons that had the disadvantage of closing the gap suddenly, with consequent hazard, to caissons incorporating their own sluices, thus allowing the flow of water to continue until all were in place and the sluices could be safely closed.
Engineers were forced to build on each bank a giant inverted box called a caisson — a risky device that was pioneered during the laying of the foundations of the Brooklyn Bridge.
The Molikpaq is a steel caisson structure that was used in the 1980s in the Canadian Beaufort Sea for exploration drilling of oil and gas.
Taffoya, 22 and now a sergeant, atop one of the six horses that draw a caisson.
Above the Sakyamuni statue, is a caisson, an octagonal wooden ceiling that is painted and decorated.
A compressed-air blast that wrecked a pneumatic caisson slowed the work, as did a severe fire that smoldered for weeks in another caisson, a cable that parted from its anchorage on the Manhattan side and crashed into the river, and the fraud perpetrated by a steel-wire contractor that necessitated the replacement of tons of cable.
