What type of joint is defined by having two steel anchorages and a neoprene seal?

The type of joint characterized by two steel anchorages and a neoprene seal is the strip seal. This joint is designed to accommodate movements and provide a waterproof seal, ensuring that moisture and debris do not enter the joints of the bridge, thereby minimizing deterioration and extending the overall lifespan of the structure.

In a strip seal joint, the neoprene seal allows for flexibility while maintaining a tight seal against environmental elements. The presence of steel anchorages provides the necessary support and stability to hold the joint in place, ensuring that it performs effectively under various load conditions and temperature fluctuations. This type of joint is particularly beneficial in situations where a high degree of movement is expected, such as in expansion joints, making it critical for maintaining the integrity of the bridge.

The other types of joints mentioned do not fit this specific design. Compression joints, for example, do not typically include neoprene seals, while poured seals often involve a different method of sealing that does not utilize separate anchorages. Expansion joints indeed accommodate movement but may not specifically feature the two anchorages and neoprene seal configuration that defines a strip seal. Therefore, the unique combination of features found in a strip seal makes it the correct choice for this question.