Comparing to modern reinforced concrete columns, the CFDST column can be constructed without additional supporting equipment during casting concrete, so it is also a good choice for prefabricated buildings to realize the rapid construction. Then, the research on the connection between the steel beam and the CFDST column in a prefabricated structure is of great significance. Bolted joint is a common typical connection type in CFST structures, as shown in Sect. 10.1007/978-981-15-8089-5_1. Those series of bolted end-plate connections of CFST columns indicate that the required performances including strength, stiffness, ductility and failure mode can be achieved by controlling the tube wall thickness and concrete strength, so the connection can appropriately offer good seismic behaviors for its potential use in high-rise buildings. Since the through-bolted joints limit rotational deformation capacity of the end-plate or T-plates, some scholars used blind bolted joints. Zhang (2012) carried out the seismic performance test and finite element simulation of the end-plate blind bolted joint between a CFST column and an H-shaped steel beam. It was found that end-plate thickness and column section type had a great influence on the bearing capacity, stiffness, energy dissipation capacity and other seismic behaviors. Experiments and finite element analysis of end-plate blind bolted joints between CFST columns and steel beams were carried out by Li et al. (2015), Wang et al. (2010), Yao et al. (2008), Wang et al. (2011). It was concluded that the blind bolted joints had large bearing capacity and the rotational deformation capacity was good. Meanwhile, for blind bolted joints in CFST structures, thickening the local steel tube wall with cushion plates or anchoring bolt ends was adopted to strengthen the hooping force, but large deformation phenomena such as obvious bulge of the column wall, pulling-out of the blind bolt, cracking between the end-plate and the steel beam flange may still occur because of the single steel tube. Therefore, there is more theoretical and practical significance to use blind bolts for double-skin tubular columns. Theoretical and experimental studies on blind bolted joints were conducted for hollow circular and square CFDST columns (Wang et al. 2019), and the studies showed that the joints had good hysteretic performance, ductility and energy dissipation capacity. Then, in this chapter, blind bolts were used to solve the problem of beam-to-column connection in solid CFDST structures. Since blind bolts can be embedded in concrete for solid CFDST columns with the section of inner circular-outer square, they play a better role in force transferring. Based on this idea, joint specimens were designed and tested under low-frequency cyclic loading. This chapter uses quasi-static low-cycle reciprocating loading tests and the digital speckle correlation method (DSCM) to investigate seismic behaviors and force-transferring mechanism of blind bolted joints in CFDST structures. Meanwhile, a reasonable material constitutive relation and a failure criterion are selected to establish finite element models of specimens, which are used to compare with the test results. A tensile T-plate model is also proposed to calculate the ultimate bending capacity of blind bolted joints in this chapter. And the calculations are analyzed their reliabilities by comparisons between the test results and simulation results.